Causes of difficulty in conceiving a second child The problem of difficult pregnancy in a second child is often caused by the female body being affected to varying degrees. Among them, age is the biggest reason. Women begin to enter the aging period of peak fertility after the age of 30, and ovarian function begins to decline, which is not conducive to egg maturation and conception. In addition, long-term contraception, excessive weight loss, poor physical condition and psychological stress will all affect a woman\’s ability to conceive. For men, it is also possible to give birth