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Female fertility is affected by age and is a major fertility factor for women. A woman's fertility is in generally good quality from the late teens to early thirties, although it declines gradually over time. [1] Around 35, fertility is noted to decline at a more rapid rate. [1]
A woman's fertility peaks in the early and mid 20s, after which it starts to decline, with this decline being accelerated after age 35. However, the exact estimates of a woman's chances to conceive after a certain age are not clear, with research giving differing results.
For women, the decline begins around the age of 32, and becomes precipitous at age 37. For men, potency and sperm quality begins to decline around the age of 40. Even if an older couple does manage to conceive a child, the pregnancy will be increasingly difficult for the mother, and carries a higher risk of birth defects and genetic disorders ...
In sub-Saharan Africa, universal female education or universal contraceptive access by 2030 would result in a total fertility rate of about 2.3 in 2050, compared with 2.7 in the reference scenario ...
Currently, female fertility normally peaks in young adulthood and diminishes after 35 with pregnancy occurring rarely after age 50. A female is most fertile within 24 hours of ovulation. Male fertility peaks usually in young adulthood and declines after age 40. [10]
A fertility decline will, if anything, alleviate some of that pressure. But she stresses that, if you want children, you shouldn’t let environmental guilt stop you from having them .
As women age, they experience a decline in reproductive performance leading to menopause. [29] This decline is tied to a decline in the number of ovarian follicles. Although about 1 million oocytes are present at birth in the human ovary, only about 500 of them (about 0.05%) ovulate, and the rest do not (ovarian follicle atresia).
Female fertility is known to decline with age as well as smoking, excessive alcohol use, obesity, low body weight and excessive physical or emotional stress.