Planning To Have Children After 35? A Fertility Doctor Shares What You Need To Know

There are so many reasons to delay having children, whether it's career goals, travel aspirations, financial stability, or, of course, finding the right person to spend your life with. But if you plan to wait until after 35 to have children, it's also important to know how age affects your ability to conceive and carry a healthy pregnancy.

Unfortunately, pregnancy complications and fertility struggles do increase with age. As someone who has personally experienced both issues, I have been there. And as a fertility physician, I know that knowledge and education are the most valuable tools for family planning. After working with hundreds of patients over the years, I know there are mostly happy endings for those who have trouble conceiving on their own.

It's important to start a family when you are ready, but it's also important to know that as we enter our mid-30s, there's a rapid acceleration in the loss and damage of eggs. That's because we're born with all of the eggs we are ever going to have, and as we go through life, our ovarian supply diminishes. The eggs that remain have a higher chance of being abnormal. As a result, all pregnancies are considered higher risk when delivery happens at age 35 or older.

Ovarian age is not the only factor that can complicate delaying pregnancy. Many women develop fibroids, which are fibrous tissues or benign tumors, inside in the uterus. Fibroids can make achieving or maintaining pregnancy difficult.

As a result of aging eggs, the rates of pregnancy loss and genetic issues increase as a woman becomes older. We consider chromosomal abnormalities and pregnancy loss due to age a more significant risk starting at age 35. For example, the chance of having a baby with Down Syndrome is about 1 in 2,000 when you are 25, increases to 1 in 350 at age 35, and grows to 1 in 30 by age 45.

A basic fertility check-up is a great first step to assess whether there has been a reduction in egg numbers. But it's important to remember that fertility challenges are not always due to the age of a woman. Approximately one-third of these cases are attributed to the female partner, one-third attributed to the male partner, and one-third are caused by a combination of problems in both partners or are unexplained.

For women who wish to preserve their fertility and haven't met their future partner, egg freezing—known scientifically as oocyte preservation—can be a great backup plan. For couples who aren't ready to take the parenting plunge, freezing embryos is another way to circumvent any challenges that may arise down the road. Your fertility level stays at the age you are when you freeze eggs or embryos.