Men should have children at the age of 25-35, because at this age, men are healthy and have the highest amount of semen. According to the study, when men are over 35 years old, sperm activity gradually deteriorates with age. Unhealthy baby Respiratory problems The prenatal weight was below the threshold (2,500 g) and chromosomal abnormalities, where the 21st double chromosome disorder causes the baby to have Down syndrome.
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