Dear Doctor, When our testis begin producing sperm during puberty , is it due to increase in sertoli cell numbers? Secondly whats the turnover rate of these cells? Many thanks ... View answer

Hi there , I have a question regarding growth of internal organs during puberty and early adulthood. My understanding is that growth hormone during puberty is high, but then declines at the end of ... View answer

Dear Dr XXXXXXX I still find it difficult to understand how steroids stimulate central puberty (at ... puberty very early on - but only in some of them. This is after prolonged exposure to high androgens ... View answer

i need to know about puberty ... View answer

why do our internal organs stop growing in adulthood....is it due to the decline in GH during end of puberty? Or is it because maximum growth potential is already attained at the end of puberty ... View answer

it before 1 month only so while sleep sometimes sperm used to come out that time i was welll then one ... took out many sperm you think it was like sex only but without girl then from that time when my heart ... View answer

hi doctor i am 15 years old ...i am quiet worried cz i take out sperm daily and iam getting acene on my face after releasing sperm...nd i have seen on other website that releasing sperm during teen ... View answer

boobs too . which makes me uglier . i have another question about puberty i ejaclute white sperm but when i watch porn . does that mean i hitted puberty ? ... View answer

Hi I am wondering about puberty. I got my first pubic hair when i was around twelve and a half and im now just turned 14. I have got sperm, I have started growing armpit air although only a few (not ... View answer

Hi, I am a 14 yr old Male who has JUST started puberty , I have just started Teste s checks and have found a weird lump under my shaft, it feels like a vein or sperm tube but is not attached to the ... View answer