For Women Who Want Kids, 'the Sooner the Better': 90 Percent of Eggs Gone By Age 30 (2024)

Dr. Marie Savard says that for women who want kids, "the sooner the better."

Jan. 29, 2010— -- By the time a woman hits 30, nearly all of her ovarian eggs are gone for good, according a new study that says women who put off childbearing for too long could have difficulty ever conceiving.

The study published by the University of St. Andrews and Edinburgh University in Scotland found that women have lost 90 percent of their eggs by the time they are 30 years old, and only have about 3 percent remaining by the time they are 40.

It's common knowledge that women have more difficulty conceiving as they age, but this is the very first study believed to quantify the number of eggs lost and it shows that the decline is more rapid than previously believed.

Over time, the quality of ovarian eggs also deteriorates, increasing the difficulty of conception and the risk of having an unhealthy baby.

The study was based on information collected from 325 women of varying ages in the United Kingdom, the United States and Europe.

Dr. Marie Savard, "Good Morning America" medical contributor, visited "GMA" to discuss the issue and its implications for moms-to-be.

"Women lose eggs a lot faster than we thought," she said. As you get older, conceiving is "much more difficult. ...Even all those assisted reproductive techniques are challenges."

"That biological clock does tick," she said, adding that her advice to women who want kids is, "the sooner the better."

Q: Is there anything you can do to slow down the loss of fertility?

A: You can't reverse the biological clock, but Savard said there are certain factors within your control that have an impact upon your fertility.

For example, stopping smoking, keeping your weight down and controlling stress can all slow the loss of fertility.

Women who have more pregnancies are fertile for longer, and some women are born with more eggs than others, she said. The more eggs with which a woman is born, the longer she will be fertile and more time she will have until the onset of menopause.

For Women Who Want Kids, 'the Sooner the Better': 90 Percent of Eggs Gone By Age 30 (2024)

FAQs

Do women lose 90% of their eggs after 30? ›

At 20 weeks of pregnancy, a female fetus has 6–7 million of eggs. By the time the woman is 30 years, she will have lost nearly 90% of her eggs and at the age of 40 years, only around 3% of eggs are left. Most women are no longer able to become naturally pregnant in their mid-40s.

Is 86% of your egg reserve gone by 30? ›

It is important to note that we have shown that by the age of 30 years the percentage NGF population is already 12% of the initial reserve and only 3% of the reserve remains at 40 years of age.

What age do you start losing eggs? ›

A woman's peak reproductive years are between the late teens and late 20s. By age 30, fertility (the ability to get pregnant) starts to decline. This decline happens faster once you reach your mid-30s. By 45, fertility has declined so much that getting pregnant naturally is unlikely.

How many eggs are left at age 35? ›

After 30 it goes to 20% chance of pregnancy with around 100,000 eggs, 31 it goes to 80,000, 32 to 75,000 and at 35 around 50,000. After 35 your chance of pregnancy drops further to around 25,000 by 37 years of age. Eventually, by 40, the average woman has around 5000 eggs and a 5% chance of a viable pregnancy.

What are signs of poor egg quality? ›

Decoding the Signs of Bad Egg Quality: A Deep Dive into Fertility
  • Irregular Periods.
  • Repeated Miscarriage.
  • Age.
  • Low FSH Reserves.
  • Low Oestradiol.
  • Low AMH Levels.
  • Low Follicular Count in Sonography.
  • Chromosomal Disorders.
Oct 16, 2023

How many eggs should a 30 year old woman have? ›

How many eggs do you have?
AgeNumber of eggs
Early 30s100,000 to 150,000 eggs
Late 30sRoughly 27,000 eggs
Early 40s5,000 to 10,000 eggs
MenopauseAbout zero to 1,000 eggs
3 more rows
Nov 9, 2021

Are my eggs still healthy at 35? ›

A woman's peak fertility occurs in her 20s. From age 30 to 35, women experience a gradual decline in fertility. After age 35, fertility begins to decline more quickly. Be age 40, pregnancy potential is reduced by up to 50 %.

How to increase your eggs naturally? ›

There aren't any specific foods that will magically increase egg count, but what you put into your body will inherently affect it. Try to include a balanced diet, including plenty of fiber-rich fruits and green, leafy vegetables, along with lean meats and whole grains [5].

Does low egg reserve mean poor egg quality? ›

Diminished ovarian reserve at a glance

Diminished ovarian reserve (DOR) occurs when a woman's ovaries lose their reproductive potential, which can cause infertility. A woman's ovarian reserve refers to the quality and quantity of her eggs, and diminished ovarian reserve means those factors are decreasing.

Am I too old to have a baby at 47? ›

Pregnancy after age 45 years is infrequent and the mother and baby should be considered as a high risk. There is a greater incidence of spontaneous abortion, gestational trophoblastic disease and chromosomal abnormalities in the fetus.

Is 45 too late to have a baby? ›

Once you reach 45, your fertility will usually be so low that a natural pregnancy is unlikely for most people. But some people may still have a “menopause baby.” This refers to a pregnancy and delivery that happens when you're in perimenopause, the transition into menopause.

Is 37 too old to have a baby? ›

Remember, the risks and challenges are higher for pregnancies at a later age. The complications may include gestational diabetes and hypertension. There may also be a need for more thorough prenatal care. Still, many women can have healthy pregnancies and deliveries at age 37.

Is 33 too old to have a baby? ›

At age 30, fertility slowly starts to decrease. Most women don't have trouble early in the decade. In fact, even as you inch closer to your late 30s, your chance of getting pregnant within a year is around 65 percent. Age 37 is when fertility decreases more rapidly.

When can a woman not get pregnant? ›

Women can't conceive after their menstrual cycles stop, which is usually sometime when their age is in the 40s or 50s. Men produce sperm throughout their lives, but women are born with a set number of eggs that decreases with age.

What is the best age to freeze your eggs? ›

Generally, fertility begins to drop as early as your late 20s or early 30s. It tends to fall more rapidly after age 35 as your egg reserves become even more depleted. Thus, the best age for freezing your eggs likely falls somewhere between 27 and 34.

Does egg quality decrease after 30? ›

The difference in egg quality between a 25-year-old and a 40-year-old is a matter of the statistical likelihood of the one egg she's ovulated being normal. Because women in their late 30s and 40s have a higher percentage of abnormal eggs, it's much more likely that their one egg each month will be abnormal.

What are the odds of getting pregnant in your 30s? ›

At the age of 30, there is a 75% chance to conceive in the first 12 months. This chance declines to 66% at the age of 35 and 44% at the age of 40. This is due to the effect of aging on the ovary and eggs.

How many eggs are retrieved at 30? ›

Studies show the age group of donors 30 -34 years will require about 20 eggs retrieved and frozen or about 2 Egg Retrievals to get approximately 80% success in achieving a single pregnancy. For women who are 34-37 years old with normal ovarian reserve, one would expect on average 13 eggs per retrieval.

Do I still have eggs at 40? ›

Your age affects the health of your eggs. Women reach the peak of their fertility at around age 24. After this age, egg quality slowly deteriorates until around age 37, and then deteriorates more rapidly until about age 42. After roughly age 42, fertility for most women basically falls off a cliff.

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