You may have heard of surrogacy but wondered how it actually works. Who is biologically related to the baby? How does the pregnancy happen? And how are parental rights handled?
Many people are familiar with the idea of a surrogate, but not everyone realizes that most modern surrogacy is gestational, meaning the person carrying the pregnancy is not genetically related to the baby. The gestational surrogacy process is designed to clearly separate genetics, pregnancy, and legal parenthood.
What makes gestational surrogacy different from traditional surrogacy?
In gestational surrogacy, the embryo is created using the egg and sperm of the intended parents or with the help of a donor. The gestational carrier’s role is to carry the pregnancy, not contribute genetically. Her eggs are not used at any point in the process.
This is what separates gestational surrogacy from traditional surrogacy, where the surrogate donates her own egg and is also biologically related to the child. Because there is no genetic connection in gestational surrogacy, roles are clearly defined from the beginning.
How embryos are created through IVF
The medical process of gestational surrogacy begins in a fertility clinic using in vitro fertilization, or IVF. This is the process used to create embryos outside of the body.
First, eggs are retrieved from the intended mother or an egg donor. This involves a short course of medication to stimulate the ovaries, followed by a minor procedure to collect the eggs. At the same time, sperm is collected from the intended father or a donor.
In the lab, the eggs are fertilized with sperm to create embryos. Over the next several days, those embryos are carefully monitored as they grow.
Many families choose to do genetic testing at this stage. This testing can help identify embryos with the best chance of leading to a healthy pregnancy. Once ready, the embryos are frozen and stored until the gestational carrier’s body is prepared for transfer.
Preparing for embryo transfer
Before the transfer takes place, the gestational carrier begins a medication protocol to prepare her body for pregnancy. These medications help build the uterine lining so the embryo has the best chance to implant.
She will attend monitoring appointments to check hormone levels and confirm that everything is progressing as expected.
The embryo transfer itself is a simple procedure done at the fertility clinic. A doctor places the embryo into the uterus using a thin catheter. It does not require surgery and is usually quick and well tolerated.
After the transfer, there is a waiting period before a blood test confirms whether pregnancy has been achieved. Sometimes it works on the first try, and sometimes it takes more than one attempt. This is a normal part of the process.
Genetics and who the baby belongs to
A common question is how genetics work in surrogacy. The embryo is created outside of the carrier’s body, and the baby’s DNA comes entirely from the intended parents or donors.
The gestational carrier does not share DNA with the baby. She is carrying the pregnancy, but she is not the biological parent.
This is an important part of how surrogacy is structured. It helps everyone understand their role from the beginning and supports the legal process that follows.
Legal parentage and gestational surrogacy agreements
Because the gestational carrier has no genetic connection to the baby, the legal process is designed to clearly establish the intended parents as the child’s legal parents.
Before any medical steps begin, both parties enter into a detailed legal agreement with their own attorneys. Even if you are in an independent surrogacy journey with a friend or family member, having a formal contract in place is essential. It outlines roles, responsibilities, compensation, and important decisions throughout the journey.
Depending on the surrogacy laws in the state where the birth will take place, a court order is issued before or after birth to ensure the intended parents’ names are placed on the birth certificate. This structure helps protect everyone involved and ensure a smooth transition at delivery.
What pregnancy looks like in surrogacy
Once pregnancy is confirmed, the experience is medically similar to any other IVF pregnancy. The gestational carrier receives regular prenatal care and follows her doctor’s guidance.
The level of involvement from the intended parents can vary. Some families attend appointments together or stay closely connected throughout the pregnancy and after delivery. Others prefer a bit more space while still staying updated.
What matters most is that expectations are clear and agreed upon early in the process.
What happens at birth?
As the due date approaches, a birth plan is created. This helps everyone understand what to expect during delivery.
In most cases, the intended parents are present for the birth or arrive shortly after. The baby is placed directly with them, and they begin caring for their child right away.
Hospitals that work with surrogacy arrangements are prepared for this process. Staff are aware of the plan and help ensure a smooth and respectful experience for everyone involved.
Common misconceptions about gestational surrogacy
There are still a few common misconceptions about surrogacy.
One is the idea that the gestational carrier could keep the baby. In reality, the combination of legal contracts and the lack of a genetic connection prevents this situation.
Another is that surrogacy is similar to adoption. While both involve building a family, they are very different. In surrogacy, the intended parents are involved from the beginning, and the legal process is designed around that from day one.
Some people also worry about exploitation. In a well-managed surrogacy journey, gestational carriers are fully informed, medically and psychologically screened, and supported throughout the process. They choose to participate and are protected by clear legal agreements and ethical standards. There are also specific requirements around health and financial stability. These standards help ensure that carriers are physically healthy and not entering the process due to financial pressure.
Why this process works
In gestational surrogacy, each step of the process is designed to protect everyone involved and create a clear, supported path.
The medical process ensures the best chance of a healthy pregnancy. The legal process protects parental rights. The emotional support helps build strong relationships along the way.
When all of these pieces come together, surrogacy becomes a powerful and positive way to grow a family.
If you are considering gestational surrogacy and want guidance through each step, contact Shining Light Baby. Our team will walk with you through the medical, legal, and emotional aspects of the journey so you always know what to expect and feel supported along the way.

