Parenting

Nature vs. Nurture: What Parents Via Egg Donation Need to Know

Lauren Makler
Lauren Makler
Last updated: January 16, 2026
a mother and father snuggle with their laughing children on a bed

When it comes to the development of a child, the age-old debate of nature vs. nurture comes into play. While genetics (nature) play a significant role in a child’s development, environmental factors and upbringing (nurture) also have a significant impact. This debate can be particularly relevant for intended parents via egg donation who may have questions about what traits their child may inherit from the egg donor and how environmental factors may affect their child’s development. In this article, we’ll explore the science behind nature vs. nurture and what parents via egg donation need to know.

The science behind nature vs. nurture

The debate of nature vs. nurture has been ongoing for centuries. Nature refers to the genetic makeup of an individual, including physical characteristics, personality traits, and behaviors. Nurture, on the other hand, refers to the environmental factors that can influence a person’s development, such as upbringing, education, and life experiences.

Both nature and nurture play a role in a child’s development. In fact, many experts now believe that it’s not a matter of nature vs. nurture, but rather how the two interact and influence each other. For example, a child may have a genetic predisposition to a certain trait or behavior, but whether or not that trait is expressed can depend on environmental factors.

What parents via egg donation need to know

For parents via egg donation, it’s important to understand that while genetics do play a role in a child’s development, the environmental factors that a child is exposed to can also have a significant impact. Here are some key things to keep in mind:

  • Genetics: While a child conceived through egg donation will not share genetic material with one or both parents, they will still inherit genetic traits from the egg donor. It’s important for parents to understand the genetic history of the egg donor and any potential health risks or conditions that may be passed on. If you work with Cofertility, we require all donors to undergo genetic testing.
  • Epigenetics: Environmental factors in the womb and early childhood can influence how genes are expressed. This is known as epigenetics, and it can play a significant role in a child’s development. For example, a child may inherit a genetic predisposition to a certain condition, but whether or not that condition is expressed can depend on environmental factors.
  • Upbringing and environment: Environmental factors such as upbringing, education, and life experiences can have a significant impact on a child’s development. Parents via egg donation should take an active role in creating a supportive and nurturing environment for their child. This can include things like providing a stable home environment, engaging in regular family activities, and providing opportunities for education and socialization.
  • Communication: It’s important for parents to communicate openly and honestly with their child about their origins. Children conceived through egg donation may have questions about their genetic background and it’s important for parents to be prepared to answer these questions in an age-appropriate way.

The importance of nurture

The parents who raise, love, support, and care for a child play a crucial role in shaping who they become as adults. Whether biological or non-biological, both parents’ contributions are invaluable. For non-biological parents, feeling confident and secure in their parental role is especially important to effectively support their donor conceived child. This includes being available to address any challenges their child may face and honoring their curiosity about an unknown genetic family. By walking beside their child, non-biological parents can help foster a strong sense of identity and belonging in their child, regardless of genetic connections.

Is the baby biologically yours if you use an egg donor?

If you use an egg donor, the baby will not be biologically related to you, as the genetic material comes from the donor. However, you may be able to still carry and deliver the baby. And certainly they will be your child! The impact you will have by caring for this child and loving this child will shape who they become.

One study found that children in egg donation families rated their relationships with their mothers as higher in warmth and enjoyment than did children in IVF families. The authors concluded “It is possible that having waited so long to have their children, egg donation mothers are especially committed to parenthood when their children do arrive”.

What we can learn from adoption

Our learnings about nature vs nurture in adoption can teach us a great deal about egg donation. In adoption, we see that genetics are only one piece of the puzzle in shaping a child’s life, as environment and upbringing play a significant role as well. Similarly, in egg donation, genetics from the donor play a role in the child’s biological makeup, but the environment in which they are raised and the relationships they form also significantly impact their development.

Similarly, the experience of being donor-conceived can be compared to that of being adopted in terms of identity formation. Donor-conceived children may have questions and curiosity about their genetic heritage and biological roots. In adoption, we have learned that open communication about a child’s origins and creating a supportive and accepting environment for their identity formation is crucial to their emotional well-being. The same is true for egg donation: it’s important to be open and honest with your child about their origin story.

Overall, the learnings from adoption reinforce the importance of a supportive and loving environment for children, regardless of genetic connections. In egg donation, it is essential to prioritize communication, openness, and honesty in discussing the child’s origins and supporting their identity formation.

Bottom line

While the debate of nature vs. nurture may never be fully resolved, it’s clear that both genetics and environmental factors play a significant role in a child’s development. For parents via egg donation, it’s important to understand the genetic and environmental factors that can impact their child’s development and to take an active role in creating a nurturing and supportive environment for their child. By doing so, parents can help promote healthy gene expression and ensure that their child has the best possible chance for a happy and healthy life.

More resources:

Cofertility is a human-first fertility ecosystem rewriting the egg freezing and egg donation experience. Our platform serves as a more transparent, ethical egg donor matching platform. We are obsessed with improving the family-building journey — today or in the future — and are in an endless pursuit to make these experiences more positive. Create a free account today! 

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Lauren Makler
Lauren Makler
Lauren Makler is the Co-Founder and CEO of Cofertility, a human-first fertility ecosystem reimagining egg freezing and egg donation. Previously, she founded Uber Health, helping millions of patients access care through transportation. Shaped by her own fertility journey, Lauren is passionate about expanding reproductive choice and access. She was named one of Fast Company’s Most Creative People in Business.
Read more from Lauren Makler

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Nature vs. Nurture: What Parents Via Egg Donation Need to Know

About

When it comes to the development of a child, the age-old debate of nature vs. nurture comes into play. While genetics (nature) play a significant role in a child’s development, environmental factors and upbringing (nurture) also have a significant impact. This debate can be particularly relevant for intended parents via egg donation who may have questions about what traits their child may inherit from the egg donor and how environmental factors may affect their child’s development. In this article, we’ll explore the science behind nature vs. nurture and what parents via egg donation need to know.

The science behind nature vs. nurture

The debate of nature vs. nurture has been ongoing for centuries. Nature refers to the genetic makeup of an individual, including physical characteristics, personality traits, and behaviors. Nurture, on the other hand, refers to the environmental factors that can influence a person’s development, such as upbringing, education, and life experiences.

Both nature and nurture play a role in a child’s development. In fact, many experts now believe that it’s not a matter of nature vs. nurture, but rather how the two interact and influence each other. For example, a child may have a genetic predisposition to a certain trait or behavior, but whether or not that trait is expressed can depend on environmental factors.

What parents via egg donation need to know

For parents via egg donation, it’s important to understand that while genetics do play a role in a child’s development, the environmental factors that a child is exposed to can also have a significant impact. Here are some key things to keep in mind:

  • Genetics: While a child conceived through egg donation will not share genetic material with one or both parents, they will still inherit genetic traits from the egg donor. It’s important for parents to understand the genetic history of the egg donor and any potential health risks or conditions that may be passed on. If you work with Cofertility, we require all donors to undergo genetic testing.
  • Epigenetics: Environmental factors in the womb and early childhood can influence how genes are expressed. This is known as epigenetics, and it can play a significant role in a child’s development. For example, a child may inherit a genetic predisposition to a certain condition, but whether or not that condition is expressed can depend on environmental factors.
  • Upbringing and environment: Environmental factors such as upbringing, education, and life experiences can have a significant impact on a child’s development. Parents via egg donation should take an active role in creating a supportive and nurturing environment for their child. This can include things like providing a stable home environment, engaging in regular family activities, and providing opportunities for education and socialization.
  • Communication: It’s important for parents to communicate openly and honestly with their child about their origins. Children conceived through egg donation may have questions about their genetic background and it’s important for parents to be prepared to answer these questions in an age-appropriate way.

The importance of nurture

The parents who raise, love, support, and care for a child play a crucial role in shaping who they become as adults. Whether biological or non-biological, both parents’ contributions are invaluable. For non-biological parents, feeling confident and secure in their parental role is especially important to effectively support their donor conceived child. This includes being available to address any challenges their child may face and honoring their curiosity about an unknown genetic family. By walking beside their child, non-biological parents can help foster a strong sense of identity and belonging in their child, regardless of genetic connections.

Is the baby biologically yours if you use an egg donor?

If you use an egg donor, the baby will not be biologically related to you, as the genetic material comes from the donor. However, you may be able to still carry and deliver the baby. And certainly they will be your child! The impact you will have by caring for this child and loving this child will shape who they become.

One study found that children in egg donation families rated their relationships with their mothers as higher in warmth and enjoyment than did children in IVF families. The authors concluded “It is possible that having waited so long to have their children, egg donation mothers are especially committed to parenthood when their children do arrive”.

What we can learn from adoption

Our learnings about nature vs nurture in adoption can teach us a great deal about egg donation. In adoption, we see that genetics are only one piece of the puzzle in shaping a child’s life, as environment and upbringing play a significant role as well. Similarly, in egg donation, genetics from the donor play a role in the child’s biological makeup, but the environment in which they are raised and the relationships they form also significantly impact their development.

Similarly, the experience of being donor-conceived can be compared to that of being adopted in terms of identity formation. Donor-conceived children may have questions and curiosity about their genetic heritage and biological roots. In adoption, we have learned that open communication about a child’s origins and creating a supportive and accepting environment for their identity formation is crucial to their emotional well-being. The same is true for egg donation: it’s important to be open and honest with your child about their origin story.

Overall, the learnings from adoption reinforce the importance of a supportive and loving environment for children, regardless of genetic connections. In egg donation, it is essential to prioritize communication, openness, and honesty in discussing the child’s origins and supporting their identity formation.

Bottom line

While the debate of nature vs. nurture may never be fully resolved, it’s clear that both genetics and environmental factors play a significant role in a child’s development. For parents via egg donation, it’s important to understand the genetic and environmental factors that can impact their child’s development and to take an active role in creating a nurturing and supportive environment for their child. By doing so, parents can help promote healthy gene expression and ensure that their child has the best possible chance for a happy and healthy life.

More resources:

Cofertility is a human-first fertility ecosystem rewriting the egg freezing and egg donation experience. Our platform serves as a more transparent, ethical egg donor matching platform. We are obsessed with improving the family-building journey — today or in the future — and are in an endless pursuit to make these experiences more positive. Create a free account today!