HSCI 120 Lecture Notes - Lecture 5: Occupational Hazard, Syphilis, Herpes Labialis

• School: Simon Fraser University
• Department: Health Sciences
• Course: HSCI 120
• Professor: Lauren Currie

Document Summary

Silphium - plant used in ancient greece, became extinct. Some used poisons like mercury and arsenic, likely caused birth defects rather than prevented pregnancy. 1923 saw rst formal contraceptive advocacy organization in canada to make contraception accessible. 1930s - southern ontario, contraceptives distributed to low-income families. 1960s - baby boom resulted in population concerns, led to higher acceptance of birth control use. Probability of getting pregnant in one year is 85 percent using no form of contraception, effectiveness of the method is improved with perfect use as opposed to typical use. Hormonal methods (the pill, nuva ring, patch: morning after pill stops egg and sperm from meeting, depo-provera - administered by a needle every 12 weeks, the pill can cause blood clots (makes blood hypercoaguble) Iuds - prevents fertilization and implantation: immediately able to return to normal cycle. Barrier methods: contraceptive sponge - contains spermicide, diaphragm, cervical cap, female and male condoms.