An online survey shows that in the choice of whether to have a second child, young people aged 20-29 have the lowest willingness to have two children, while older groups (35-40 years old) have the stronger willingness to have a second child. Is it risky for older men to give birth? Many people know that giving birth to older women will increase the risks of abortion, malformation, gestational diabetes and other problems. Is there also a risk of giving birth to older men? Under normal circumstances, the proportion of normal sperm in semen is not less than 4%, but the number of abnormal sperm in semen of older men will increase. Abnormal sperm refers to those sperm with abnormal morphology Read More …