A woman’s fertility declines rapidly after she reaches 30

　　New research analyzes the transition from pregnancy to menopause period female Changes in the number of eggs, and then analyze the speed of female fertility decline. Researchers from the University of St. Andrews and the University of Edinburgh used European and American women as research subjects and found that women have 2 million "egg banks." The so-called "egg bank" refers to the total number of potential eggs that a woman can produce in her lifetime. By the time a woman is 30 years old, the number of eggs drops sharply, leaving only 12%. By the age of 40, a woman’s eggs are only 3%. About 450 of these eggs will mature.

Dr. Tom Kelsey of the University of St. Andrews in the United Kingdom said that some women have to wait until their next promotion or the appearance of a "Prince Charming" before considering having children. But they don't realize that after the age of 35, their ovarian reserve has begun to decline seriously and is getting worse.

New research has found that before the age of 25, lifestyle factors such as smoking and drinking have little impact on women's fertility, but after the age of 25, a woman's lifestyle will have a great impact on her fertility.

Researcher Hamilton-Wallace said the significance of this study is that they have found the mystery why middle-aged women are increasingly finding it difficult to conceive. At the same time, this research will help doctors make more scientific recommendations for young people cancer How patients can preserve their fertility.