Effects of Low Testosterone
Low Testosterone Effects in BoysIf a boy cannot produce enough testosterone, he may not go through puberty on time. If the condition begins before puberty starts, he may not go through puberty at all. If the low testosterone begins in the middle of puberty, he might not finish going through puberty.
Effects of Low Testosterone in Male BabiesIf a testosterone deficiency occurs in a male fetus during the first trimester of pregnancy, the baby will not develop normal male genitalia. In the complete absence of testosterone, the male baby will develop with external genitalia that completely resembles a female baby. If some testosterone (but not enough) is present, various problems in the genitalia can develop. These problems can range from mild to severe, depending on the seriousness of the case.
If the testosterone deficiency starts later in pregnancy (the third trimester), the male baby may be born with undescended testicles (cryptorchidism) or a smaller-than-normal penis.