The quality of a 39-year-old woman’s eggs decreases and the percentage of poor quality eggs increases, but not all eggs are of poor quality.
The best age for a woman’s egg quality is around 20 to 30 years old, the best age to get married and conceive a baby; when a woman is more than 35 years old, the probability of a normal egg will slowly decrease, and with the increase in age, the probability of a normal egg decreases, leading to an increase in the chances of miscarriage or fetal malformation, and a decrease in the chances of a normal pregnancy.
So when a woman over 35 years of age is pregnant, belonging to the advanced maternal age, pregnancy test of no need to do the Down screening test, directly do amniocentesis or non-invasive DNA, in order to rule out the possibility of fetal malformation.
The quality of the eggs of 39-year-old women is reduced, preparation for pregnancy or pregnancy need to be made by the doctor according to the specific situation, the development of individualized treatment plan.