Psychology 2075 Chapter Notes - Chapter 7: Combined Oral Contraceptive Pill, Vaginal Ring, Coagulopathy
Document Summary
Contraception is less controversial now than it once was: the use of contraceptives was illegal until 1969 when, under prime. Minister pierre trudeau, parliament amended many of the laws pertaining to sexual behaviour. Human sexuality chapter 7: contraception and abortion. Hormonal methods of contraception are highly effective and come in a number of forms: the pill, the patch, the vaginal ring, implants and injections. The pill works mainly by preventing ovulation: when a woman starts taking the pill, estrogen levels are pushed high, this inhibits fsh production, and the message to ovulate is never sent out. The high level of progesterone inhibits lh production, further preventing ovulation. The progestin keeps the cervical mucus thick, making it difficult for sperm to get through, and changes the lining of the uterus in a way that even if a fertilized egg were to arrive, implantation would be unlikely. It is close to 100% effective if used properly.