what is allantois in a baby

what is androgen and testosterone harmone is'nt they are same?

 which is the canal through which the testes descend into the scrotum just before birth in human male child?

As it is written in our Chapter Reproductive System that Oestrogens are secreted by Corpus Luetum prior to Ovulation. But my question is that Corpus Luetum is released during the process of Ovulation, then how this hormone (oestrogen) is secreted prior to ovulation?

 If a mothers fallopian tube is blocked can there be birth of child?

  What is embryo?

Does hymen ruptures even during the menstral phase of menstrual cycle??

 what is copper t

If the fallopian tubes of the female are cut, does the process of menstrual cycle also stop???

What happens if the hormone oxytocin is not secreted during the birth of the child? Is oxytocin responsible for labour pain?

 what is the function of coitus?

 What is the structure called which has a function of producing male gametes in mass?

What is the structure called which has function of  increasing force in uterine contraction?

What is coitus?

At what age does menstrual cycle starts in males?

 do corpus luteum chnge into developing follicles