On which day of the menstrual cycle does ovulation usually take place?
What happens to the Graafian follicle after ovulation?
Name the TWO hormones that are released by structures in the ovaries
Give TWO substances that can move from the mother to the foetus through the placenta
Give THREE functions of the amniotic fluid
Condom acts as a barrier, stops sperm getting into the vagina
Loop/IUD's purpose is that it acts as a sperm duct
Female sterilisation (tubal ligation) The fallopian tubes are cut and tied during a small surgical operation preventing the fusion of sperm and egg
Withdrawal is when Sexual intercourse is avoided three to four days before and after ovulation (between days 10 and 18 of the menstrual cycle)
Withdrawal The penis is taken out of the vagina before ejaculation, but this is not a safe method because many sperms can be released before ejaculation
Explain the difference between a barrier method of contraception and a contraceptive that uses hormones.
Explain how an IUD prevents pregnancy