Answer:
if you cant answer maybe you should study more peckerneck
Explanation:
It would be C. Cortisol *hope this helps *
The male reproductive system is to ferment the female egg and the female reproductive system is to be the reciever and get fermented and hold the baby.
Artificial methods in common use include preventing the sperm from reaching the ovum (using condoms, diaphragms, etc), inhibiting ovulation (using oral contraceptive pills), preventing implantation (using intrauterine devices), killing the sperm (using spermicides)
It changed because now lots of people look at it as being "gross"