A member asked:

Do boys at age3,4,5,6 have viable sperm ? i know boys are born with immature sperm just like when girls are born they have eggs. but when do boys sperm come viable enough to fertilize. i was googling research on puberty when i saw a 5 yr girl got pr

A doctor has provided 1 answer

No: While the male penis is capable of erection at any point from birth on reproduction is only possible after puberty. (ages 9-14) The peak in male fertility is in the early 20's. Reported instances of females getting pregnant as children involve those with premature onset of puberty in childhood which is a rare event in either gender.

Answered 12/2/2019

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Can sperm fertilize an egg, travel and implant in 2 days?

A doctor has provided 1 answer