Psychology 2075 Chapter Notes - Chapter 7: Spermicide, Progestin, Intrauterine Device

• School: Western University
• Department: Psychology
• Course: Psychology 2075
• Professor: Stephen Ferguson

Document Summary

Combination birth control pills: birth control pills that contain a combination of estrogen and progestin (progesterone) at higher than natural levels for 21 days, and then 7 days of placebos. Failure rate: the pregnancy rate occurring using a particular contraceptive method; the percentage of women who will be pregnant after a year of use of the method. Triphasic pill: a birth control pill containing a steady level of estrogen and three phases of progesterone, intended to mimic more closely women"s natural hormonal cycles. Transdermal administration, one per week for three weeks and one week off. Placed in vagina for 21 days on, 7 days off. Plan b, needs to be taken within 5 days to work. Rods or tubes of progestin inserted under the skin in arm, effective for 3 years. Intrauterine device: a plastic device sometimes containing metal or a hormone that is inserted into the uterus for contraceptive purposes.