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A member asked:
Does one sided cryptorchidism cause infertility in men? does a man with one healthy testicle have a lower sperm count?
6 doctors weighed in across 3 answers
One is enough: One testis is enough for fertilization, sperm count will be same volume will be less.
Answered 12/24/2018
5.6k views
Likely fertile: Sperm count will probably be within normal limits because remaining testicle will grow larger (compensatory hy[pertrophy) and thus produce more sperm than if it were 1 of a pair, but count may be slightly reduced. Semen volume is unaffected and normal because >95% is produced by the seminal vesicles, prostate and cowper's glands. Sperm is no > 5% of ejaculate..
Answered 2/21/2016
5.6k views
Not likely: Patients with unilateral cryptorchidism have slightly higher than average infertility rates (even men with "normal" testes can have fertility problems). Sperm production is regulated via the hypothalamic pituitary gonadal axis. The hypothalamus "scans" for the sperm producing hormone in the blood. If there is not enough, it sends a signal to increase production. Thus, sperm counts be normal.
Answered 1/5/2017
5.4k views
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