In women 40 years or over , the risk of pregnancy complications, such as high blood pressure, preeclampsia, and gestational diabetes, increases. The rate of birth abnormalities or genetic conditions in the baby also increases.
More women than ever are choosing to become first-time moms at 40 and beyond. We've been hearing for years that 40 is the new 30, and the increase in women having their first pregnancy over 40 shows that 40 isn't too late for women who want to become mothers.
"Overall, the children of older moms were better behaved, well socialized, and emotionally healthy in their pre-teen years," says Salber.
After age 35, there's a higher risk of pregnancy-related complications that might lead to a C-section delivery. The risk of chromosomal conditions is higher. Babies born to older mothers have a higher risk of certain chromosomal conditions, such as Down syndrome. The risk of pregnancy loss is higher.
By 2020, one-half of first-time mothers (53%) was aged 30 years or over. The proportion of first-time mothers who were aged 35 years and older increased markedly in this time. Before 1991, it was uncommon for women to start childbearing at age 35 years or older (up to 5%).
If you're pregnant at 41, 43, or older, you may understandably worry about how your age may impact your pregnancy. Luckily, while the risks of complications are lower in your 20s and 30s, you can have a healthy pregnancy in your 40s, particularly if you are otherwise in good health and get regular prenatal care.
How many eggs does a woman have at 40? By the time a woman reaches 40, she'll be down to about 18,000 (3% of her pre-birth egg supply). Although the chances of conception are lower, this does not mean it is impossible to conceive at this age.
Most people over 40 have healthy pregnancies and healthy babies. But there are some things you need to think about. You'll want to be sure to get good antenatal care.
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.
Down syndrome occurs in people of all races and economic levels. The risk increases with the mother's age (1 in 1250 for a 25 year old mother to 1 in 1000 at age 31, 1 in 400 at age 35, and about 1 in 100 at age 40). However, 80% of babies with Down syndrome are born to women under age 35 years.
Pregnancy in Your 40s
If you get pregnant after 35 years old, experts call this an “advanced maternal age” pregnancy. But it's still possible to get pregnant and deliver a healthy baby in your 40s. Childbirth at older ages has become more common too. Since the 1990s, birth rates in people aged 40-44 have gone up.
Having Babies After 35 Is Safe
And while it's true that conceiving after 35 comes with an increased risk of complications—like preeclampsia, gestational diabetes, chromosomal abnormalities, and even miscarriage or stillbirth—many people go on to deliver healthy babies.
But an increased stress might become an issue for women in their 50s and beyond. "Because of this, most Australian doctors would recommend an upper limit of 50 to 52 for a woman to actually carry a pregnancy."
The report also showed that the average (or mean) age of mothers for all births rose from 24.6 years to 27.2 over the past three decades. Over one-half of all births still occur to women in their twenties–the peak childbearing years–but the average age in this group has shifted steadily upward since 1970.
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Babies born to parents over 40 have a higher risk of genetic conditions like Down syndrome. 3 Children may also face health issues related to an increased risk of premature birth, fetal growth restriction (slower growth during gestation), and fetal macrosomia (high birth weight).
Emotional maturity and financial stability are two of the greatest advantages for women who choose to have a baby in their 40s. Plus, spouse or partner relationships are likely to be stable as well. In addition, there is the surprising boost in brain power that can come from becoming a mother later in life!
Because your body is older, you do have a higher risk of pregnancy complications than younger mothers. You may develop high blood pressure, diabetes, and placental problems during a late pregnancy. Premature labor and the need for c-sections also become more common as you age.