How Does a Surrogate Mother Get Pregnant?

It is one of the most common questions people ask when they first begin exploring surrogacy, whether they are intended parents trying to understand the path ahead or individuals considering becoming a gestational surrogate. The answer involves a precise medical procedure, a carefully coordinated legal process, and a team of specialists working together to give intended parents the best possible chance of having a child.

This page walks through the full process from start to finish, including how surrogate mothers become pregnant, what the medical steps involve, what families are responsible for, and how an experienced surrogacy agency supports everyone through each stage of the journey.

Gestational Surrogacy vs. Traditional Surrogacy: Understanding the Difference

Before understanding how a surrogate mother gets pregnant, it helps to understand that not all surrogacy arrangements work the same way. There are two forms of surrogacy: gestational and traditional. The distinction between them matters legally, medically, and emotionally.

Gestational Surrogacy

Gestational surrogacy is the most common type of surrogacy arrangement practiced in the United States today. In this arrangement, the surrogate carries an embryo created through in vitro fertilization using the eggs and sperm of the intended parents or donors. The gestational carrier has no genetic connection to the child. Because the embryo is created externally and transferred to the surrogate’s uterus, the gestational surrogate carries a fetus that is not biologically her own.

• Gestational surrogacy involves IVF to create the embryo, followed by a transfer to the gestational carrier’s uterus.
• Gestational surrogates are not the genetic mother of the child they carry.
• Most intended parents choose gestational surrogacy specifically because it eliminates the genetic connection between the surrogate and the child, which simplifies the process and reduces emotional risk for all parties.
• The process involves careful coordination between the clinic, the agency, and legal review before any medical steps begin.

Traditional Surrogacy

In the traditional form, also called partial or natural surrogacy, the surrogate’s own egg is fertilized by the intended father’s sperm or donor sperm, making the traditional surrogate genetically related to the child if her own egg is used. This older approach is less common today, largely because the surrogate in these arrangements’s genetic connection to the child creates significant legal complexities.

• Because the traditional surrogate is the biological mother, intended parents may need a court proceeding to secure legal parental rights to the child.
• This arrangement raises more complex questions around parental rights, custody arrangements, and what happens if the surrogate changes her mind, which is why most agencies and reproductive medicine specialists no longer facilitate it.
• Creative Love focuses exclusively on this form of surrogacy because the legal aspects are cleaner and all parties are better protected.

Who Uses Gestational Surrogacy and Why

Gestational surrogacy serves a wide range of families who cannot carry a pregnancy for medical or personal reasons. Understanding who relies on gestational surrogates helps clarify why this path exists and why so many families choose it.

• Intended mothers who have eggs but cannot safely carry a pregnancy due to uterine conditions, repeated pregnancy loss, or health risks or medical risks that make pregnancy dangerous.
• Those born without a uterus or who have had a hysterectomy, where using a gestational carrier provides the only biological path to parenthood using their own eggs.
• Male couples and single men who need both a donor and a gestational carrier to have a child. For these intended parents, the process for these families involves coordinating with a sperm donor or using the intended father’s sperm alongside a donor egg.
• Intended parents dealing with repeated IVF failure who have viable embryos but cannot sustain a healthy pregnancy.
• Intended parents with serious medical conditions that make carrying a pregnancy a significant health risk.
• International families who come to the United States specifically for gestational surrogacy because legal restrictions in their home countries prohibit or limit the practice.
• Families of any marital status, including single intended mothers and single intended fathers, can pursue gestational surrogacy. An agency can help clarify eligibility based on local laws and the family’s specific circumstances.

The Medical Process: How a Surrogate Becomes Pregnant

The surrogacy process follows a specific sequence of medical steps coordinated between the fertility clinic, the gestational surrogate, and the intended parents. Nothing about this process happens by chance. Every step is planned, timed, and monitored by reproductive medicine specialists.

Here is how the process gets the surrogate pregnant, from embryo creation to confirmed pregnancy.

Step 1: Medical Screening for the Gestational Surrogate

Before treatment begins, surrogates must pass comprehensive medical and psychological screening. This is a non-negotiable part of the surrogacy process that protects both the surrogate and the intended parents.

• This includes blood tests for infectious diseases, a physical exam, reproductive health assessments, and a review of obstetric history.
• Surrogates must demonstrate a history of healthy pregnancies to qualify. The ASRM recommends at least one full-term, uncomplicated prior pregnancy before a woman can serve as a gestational carrier.
• Mental health screening and a psychological evaluation with a licensed professional assess whether the surrogate is emotionally prepared for the surrogacy process, including the relinquishment of the child after birth.
• A reproductive endocrinologist, the infertility specialist who oversees this work, reviews all screening results before clearing the surrogate.
• Both clearances must be confirmed before the legal contract is signed and before any fertility treatments begin.

Step 2: Legal Agreements Before Any Medical Steps

The legal steps run parallel to medical screening and must be completed before any clinic procedures begin. This is one of the most important protections in the process.

• A surrogacy agreement, sometimes called a legal contract, outlines the rights and responsibilities of the gestational surrogate and the intended parents across every stage of the pregnancy.
• This document addresses medical expenses, compensation, health risks, and the establishment of legal parenthood.
• Surrogacy agreements must comply with local law to be legally binding. Laws governing these arrangements vary significantly from state to state and from country to country, which is why legal review by specialists is essential.
• Both the surrogate and the parents must have independent attorneys review and negotiate the surrogacy contract before it is signed. This protects everyone and ensures the legal agreement reflects the interests of all parties.
• Some jurisdictions allow for pre-birth orders, which establish the legal parents before birth before the child is born. Others require a post-birth adoption process or court order to transfer legal parenthood. Which approach applies depends on where the birth occurs.
• Legal fees are a significant part of the overall surrogacy costs and should be factored into the intended parents’ financial planning early in the process.

Step 3: Egg Retrieval and Embryo Creation Through IVF

Once all screening and legal steps are complete, the team begins creating the embryo that will be transferred to the gestational surrogate. This is where IVF enters the picture.

• If the intended mother has viable eggs, the IVF clinic stimulates her ovaries with hormonal medications to produce multiple mature eggs, which are then retrieved through a minor outpatient surgical procedure.
• If she cannot use her own eggs due to poor egg quality, age, or medical reasons, a donor provides the eggs. She goes through the same stimulation and retrieval process.
• The retrieved eggs are fertilized in the laboratory using the intended father’s sperm or donor sperm from a sperm donor or sperm bank, depending on the arrangement.
• The fertilized eggs develop into embryos over several days in the embryology lab. Embryos may be tested for chromosomal abnormalities through preimplantation genetic testing before transfer, which can improve outcomes and reduce the risk of miscarriage.
• Remaining viable embryos are typically frozen for potential future use if the first transfer does not result in a successful pregnancy.

Step 4: Uterine Preparation for the Gestational Surrogate

While embryos are being created or prepared, the gestational carrier begins her own medical protocol to prepare her uterus for the embryo transfer. This phase is carefully timed and monitored by the team.

• The gestational surrogate takes hormonal medications, typically estrogen and progesterone, to prepare and thicken the uterine lining for implantation.
• Regular monitoring appointments at the IVF clinic track the uterine lining thickness and confirm the surrogate’s body is responding appropriately to the medication protocol.
• The goal of this preparation is to create optimal conditions in the gestational carrier’s uterus so that the embryo has the best possible chance of implanting successfully.
• Once the uterine lining reaches the target thickness confirmed by ultrasound, the clinic schedules the embryo transfer procedure.

Step 5: The Transfer Procedure

This is the defining step of the entire process and one that both the surrogate and the intended parents often describe as deeply significant.

• This is a quick outpatient medical procedure performed at the clinic. It does not require general anesthesia.
• A reproductive endocrinologist uses a thin, flexible catheter to place the embryo or embryos directly into the gestational carrier’s uterus through the cervix, guided by ultrasound imaging.
• From this point, the surrogate carries the embryo in her uterus. The embryo is genetically connected to the intended parents or donors, not to the surrogate herself.
• The gestational carrier continues hormonal medications after the procedure to support implantation.
• Research indicates that between 19% and 33% of gestational carriers will successfully become pregnant from an embryo transfer, with 30% to 70% of those pregnancies resulting in a live birth depending on embryo quality, the age of the egg source, and other clinical factors.

Step 6: Confirming the Surrogate Pregnancy

• After the embryo transfer, the surrogate continues hormonal medications and undergoes a beta-hCG blood test 10 to 14 days later to confirm whether implantation was successful.
• A rising hCG level confirms a successful implantation. An ultrasound follows approximately two weeks later to detect a heartbeat and confirm the pregnancy is developing normally.
• Once the surrogate pregnancy stabilizes, typically around 10 to 12 weeks gestation, the gestational carrier transitions to a standard OB/GYN for regular prenatal care.
• Families are typically kept informed and may attend ultrasound appointments depending on the agreement.

What Gestational Surrogates Must Meet Before Being Matched

Becoming one of the thousands of surrogate mothers in the U.S. is not as simple as volunteering. Surrogates go through a rigorous medical and psychological evaluation before being matched with intended parents. These standards protect the surrogate’s health, the intended parents’ investment, and the wellbeing of the child.

• Surrogate mothers must typically be between 21 and 45 years old and have previously carried at least one healthy pregnancy to term.
• Surrogate mothers must be in good physical and mental health, with no conditions that would increase health risks during the pregnancy.
• Medical screening includes blood tests for infectious diseases, gynecological evaluation, uterine assessment, and a full review of obstetric history.
• Psychological screening is a required part of the process. A licensed mental health professional evaluates whether the surrogate is emotionally prepared for the surrogacy process, including the relinquishment of the child after birth, and whether she has a strong support system at home.
• Surrogate mothers must be non-smokers, not currently receiving government assistance, and have a stable home environment.
• Families review surrogate profiles and select a match based on the surrogate’s background, values, and preferences around communication and contact during the pregnancy.
• In some cases, a family member or a friend or family member known to the intended parents may apply to serve as a directed surrogate, provided they meet the same medical and psychological requirements as any other candidate.

Surrogacy Costs and Legal Considerations for Intended Parents

Gestational surrogacy involves significant financial planning on the part of the intended parents. Total surrogacy costs in the United States typically exceed $100,000 per pregnancy, with many families spending between $60,000 and $150,000 or more depending on their specific circumstances.

The intended parents carry full financial responsibility for all costs tied to the surrogacy process. Understanding where those costs come from helps families plan before they begin.

• Surrogacy agency fees cover matching, coordination, screening support, and case management throughout the surrogacy process. Working with a reputable surrogacy agency is one of the most important investments intended parents make.
• Medical expenses include IVF costs, egg retrieval, embryo creation, embryo transfer, surrogate medical care throughout the pregnancy, and delivery costs.
• Legal fees cover the drafting and review of the surrogacy agreement, pre-birth or post-birth order proceedings, and any state-specific legal process required to establish the intended parents as the legal parents.
• Surrogate compensation covers the gestational carrier’s base pay plus reimbursements for pregnancy-related expenses including lost wages, maternity clothing, travel, and any other costs outlined in the surrogacy contract.
• Egg or sperm donation fees add to the overall costs when a donor is needed, as do any fees associated with a sperm donor or sperm bank.
• Health insurance for the surrogate pregnancy, or a separate surrogacy-specific policy if the gestational carrier’s own insurance excludes surrogacy, is an additional financial consideration for intended parents.
• The agreement must address scenarios including multiple embryo outcomes and the process for establishing legal parenthood.

Emotional Realities for Surrogates and Intended Parents

The emotional dimension of gestational surrogacy is real for everyone involved. Surrogate mothers often describe the experience as deeply rewarding, but that does not mean it comes without emotional complexity. Understanding what to expect emotionally is part of being prepared for the surrogacy process.

For Gestational Surrogates

• Many surrogates report experiencing a sense of attachment to the baby they are carrying, even knowing the child is not genetically theirs. This is a normal part of the experience and one that counselors help surrogates prepare for.
• Relinquishing the baby after birth can bring mixed emotions, even for surrogates who feel confident and clear about their decision to carry for another person or couple. Postpartum support is an important part of the surrogacy process that a good agency provides.
• Surrogates may experience postpartum depression at rates of 0 to 20% following the birth. Mental health support before, during, and after delivery is essential.
• When a surrogate carries a pregnancy for another person or couple, ongoing mental health counseling throughout the process helps surrogates manage their experiences and maintain emotional wellbeing from matching through delivery and beyond.

For Intended Parents

• Intended parents often describe a sense of limited control during the surrogate pregnancy, since the day-to-day experience of carrying the baby belongs to another person. This can generate anxiety, even when everything is going well.
• Many parents develop a strong emotional connection to the gestational surrogate during the process, and maintaining clear, honest communication throughout tends to lead to healthier experiences for everyone.
• Parents who have previously faced infertility, pregnancy loss, or failed medical treatment often bring significant emotional weight into the surrogacy journey. Emotional support is available and often recommended.
• An agency that provides dedicated case management and emotional support resources helps intended parents navigate the uncertainty that comes with using a surrogate.

How Creative Love Supports Surrogates and Intended Parents Through the Process

Creative Love Egg Donor and Surrogacy Agency has been guiding surrogates, intended parents, and families through gestational surrogacy for over 20 years. We are a full-service surrogacy agency based in Florida, one of the most surrogacy-friendly states in the country, covering both surrogacy and egg donation under one roof.

Florida’s well-established surrogacy laws and strong legal framework make it an ideal location for intended parents pursuing gestational surrogacy, whether they live here or are coming from another state or country.

• We match gestational surrogates and intended parents through a personalized, compassionate process that considers values, communication preferences, and the specific goals of every family.
• Our team supports families from initial consultation through delivery, including coordinating with clinics and insurance specialists at every stage.
• Intended parents using our program include traditional couples, same sex male couples, single parents, LGBTQ families, and international intended parents from around the world.
• We have strong partnerships with leading fertility clinics and reproductive medicine specialists in Florida and beyond, which means the medical side of the medical side of surrogacy is in skilled hands.
• Our team provides dedicated mental health support resources for both gestational surrogates and intended parents throughout the journey.
• Ethical, transparent surrogacy practices at every stage are the foundation of how Creative Love operates. Intended parents and surrogates both deserve to know exactly what to expect at every step.
• You can review surrogacy fees and costs on our dedicated page, and read real stories from families on our testimonials page.

Ready to take the next step? Call us at 954.776.9878 or start your application below.

Resources for Surrogates and Intended Parents

Whether you are considering becoming a gestational surrogate or you are an intended parent beginning your search, the pages below connect you to the most relevant information for where you are right now.

For Prospective Gestational Surrogates

• Learn more about becoming a gestational surrogate in Florida with Creative Love
• Review the full list of surrogate requirements before applying
• Understand surrogate compensation and what is covered throughout the process
• Walk through the full surrogate process step by step
• Get answers to common questions on the surrogate FAQ page
• Review surrogate medications used during the IVF and transfer phases

For Intended Parents

• Explore the full surrogacy program for intended parents
• LGBTQ families and same sex male couples can learn about the LGBTQ surrogacy program
• International intended parents can review the international surrogacy program
• Understand the surrogacy legal process in detail
• Review the different surrogacy types available
• If a donor egg is needed, review the egg donor program
• See the clinics we work with across Florida
• Learn about Florida surrogacy and why Florida is one of the best states for the process

Additional Pages

• Meet our team and learn more about Creative Love
• Contact us with questions at any stage of the process

Frequently Asked Questions About How Surrogate Mothers Get Pregnant

How does a surrogate mother get pregnant in gestational surrogacy?

In gestational surrogacy, the surrogate becomes pregnant through an embryo transfer performed at a fertility clinic. An embryo created through vitro fertilization using the intended parents’ or donors’ egg and sperm is placed into the gestational carrier’s uterus using a thin catheter. The surrogate does not conceive through intercourse and has no genetic connection to the child she carries.

Is the surrogate the biological mother of the baby?

In gestational surrogacy, no. The gestational surrogate carries the embryo but is not the biological mother of the child or its legal mother. The legal mother is the intended parent, confirmed through the court order or pre-birth order established in the legal process. The egg comes from the intended mother or an egg donor. In most arrangements, the resulting child is the biological child of the egg source. When the traditional form is used, which is far less common today, the surrogate’s own egg is used, making her genetically related to the child, which creates significantly more complex legal and emotional challenges.

What is the difference between gestational surrogacy and the traditional form?

In gestational surrogacy, the surrogate carries an embryo created through IVF using the intended parents’ or donors’ eggs and sperm. The gestational carrier has no genetic connection to the child. In traditional surrogacy, the surrogate’s own egg is used, making her legally and biologically connected to the child. This older arrangement is rare today because it creates legal complexity around parental rights, legal custody, and the adoption process needed for intended parents to secure legal parenthood.

Can anyone use a gestational surrogate?

Most families who use gestational surrogates do so because of a medical reason that prevents them from carrying a pregnancy. This includes intended mothers with uterine conditions, serious illness, or a history of pregnancy complications, as well as male couples and single men who need both a donor egg source and a gestational carrier. Marital status, sexual orientation, and family structure do not disqualify intended parents, though eligibility should always be confirmed early in the process.

How long does the gestational surrogacy process take?

The full surrogacy process from application through delivery typically takes 18 months to 2 years or more. This includes the time needed for surrogate matching, legal steps, IVF and embryo creation, the embryo transfer and surrogate pregnancy itself, and the post-birth proceedings. Working with an experienced surrogacy agency helps keep each phase of the process moving without unnecessary delays.

What are the health risks for a gestational surrogate?

Surrogate mothers face health risks similar to those of any pregnancy, including gestational diabetes, preterm labor, and low birth weight in some cases. The hormonal medications used during uterine preparation also carry potential side effects. All surrogates undergo thorough medical screening before being cleared to carry, and the agreement addresses what happens during the pregnancy. Always consult with a qualified medical professional for guidance specific to your health history.

Do intended parents need an egg donor?

Not always. If the intended mother has viable eggs, using the intended mother’s egg is the first preference. An egg donor is needed when the egg source cannot produce usable eggs due to age, poor egg quality, or absence of ovaries. Male couples and single men always need a donor egg source since they do not have eggs of their own. A sperm donor may also be used if neither intended parent can provide sperm. The clinic evaluates each situation and advises on what is needed for a successful gestational surrogacy outcome.

What legal protections exist for intended parents using a surrogate?

Legal protections depend on where the birth takes place, since laws vary significantly from state to state and country to country. In surrogacy-friendly states like Florida, parents in surrogacy-friendly states can obtain a pre-birth order that establishes them as the legal parents before the child is born. In more restrictive states, a post-birth adoption process or court proceeding may be required to secure legal parenthood and legal custody. A comprehensive surrogacy agreement, clear legal parent documentation, and proper legal protections are essential for every party entering a surrogacy arrangement.

How much does gestational surrogacy cost?

Total costs for gestational surrogacy in the United States typically exceed $100,000, with many families spending between $60,000 and $150,000 or more. Major costs include surrogacy agency fees, IVF and clinic costs, legal fees for the surrogacy agreement and birth order proceedings, surrogate compensation and expense reimbursements, health insurance for the surrogate pregnancy, and egg or sperm donation fees where applicable. Intended parents carry full financial responsibility for all of these costs.

Understanding the surrogacy process is where most families begin, and it is the right place to start. The gestational surrogacy process involves careful medical coordination, strong legal protections, and the kind of compassionate professional support that makes the difference between a confusing experience and one that feels genuinely guided from the very first step.