In one study, researchers compared data on more than 46 million births in the United States between 2011 and 2022. Fathers in their 30s and 50s were considered.
It was found that every 10-year increase in the father’s age was associated with an increased number of complications in the child. Compared with couples where the father was 30-39 years old, couples where the father was 50 years old had a 16% higher risk of premature birth, a 14% higher risk of low birth weight, and a 14% higher risk of gestational diabetes. 13% higher. Those in their 50s were more likely to use assisted reproductive technologies, including in vitro fertilization, to conceive.
In men, there is a noticeable decline in sperm quality from the age of 40. This is why it takes longer for a woman to get pregnant.
One study found that women aged 45 and over with a male partner were almost five times more likely to get pregnant after more than a year. More than three-quarters (76.8%) of men under 25 got their partners pregnant within six months, compared with just over half (52.9%) of men over 45.
Partners of older men (45+) were also more likely to miscarry – 43% more likely compared with couples where the man was between 25 and 29 years old.
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Source: Ferra
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