chapter 7

Question 1

barrier methods

Answer 1

• internal condom: 21% failure rate
• phallic condoms: 15% failure rate
• dental dams

Question 2

spermicides

Answer 2

• must be used approx 15 mins in advance
• 60-80% effective (less if person has given birth before)
• 29% failure rate
• 16-32% effective for sponge

Question 3

hormonal methods overview

Answer 3

• estrogen or synth progesterone
• no sti protection
• self or physician administered
• prevents ovulation and/or thickens cervical mucus to trap sperm
• reduces menstrual flow

Question 4

surgical methods

Answer 4

• vasectomy: 0-0.5% failure rate, cut vans deferens so they can ejaculate but no sperm is produced, other method used for first few ejactulates
• tubal ligation: fallopian tubes cut and sealed or tied to prevent fertilization
• 3 month back up control
• 0.5% failure rate

Question 5

Pregnancy detection

Answer 5

• pee test (14 days after, morning urine, HcG levels monitored)
• blood test (cases of confusion/mixed results, HcG levels)
• signs and symptoms (entry level indicators ie missed period)

Question 6

Emergency contraceptive (pill)

Answer 6

• ex plan b/morning after pill
• most effective w/in 72 hours but can be up to 5 days (goes down from 78 to 58% effective over time)
• not abortion pill
• does not work if implantation already occurred
• prevents ovulation

Question 7

Emergency contraceptive (copper)

Answer 7

• copper IUD
• must be with in 5 days
• inserted by dr
• works as if it was in place entire time

Question 8

medical abortion (first option)

Answer 8

• self referred
• 2 sets of medication that lead to miscarriage (1 taken at home, 1 at app.)
• 1-4 dr apps
• taken before 7-9 weeks gestation
• early detection needed

Question 9

surgical abortion types

Answer 9

• manual vacuum aspiration (7 weeks, pill backup, takes 10 mins, manual pump that sucks out uterus contents)
• vacuum suction curettage (6-14 weeks, dilating open then vacuum)
• dilation and evacuation (same as above but for 13-16 weeks)
• feticide (rare, 20 weeks, injection to fetus then taken out)

Question 10

The pill

Answer 10

• most common hormonal birth control
• 21/28 day packs
• taken same time daily
• Stop taking/take placebo at 4th week
• 8% failure rate

Question 11

Nuvaring

Answer 11

• inverted directly
• removed for three weeks total
• 8% failure rate w reg use

Question 12

the patch

Answer 12

• applied like a bandaid
• absorbed through skin
• on three weeks, off one for withdrawl bleed
• dif part of body each time (fatty tissue just not breasts)

Question 13

depo provera

Answer 13

• the shot
• once every three months
• not usually first line of defence (often done after attempting other methods)
• delayed return to fertility after shot

Question 14

nexaplanon

Answer 14

• once for three years
• mimics same process of IUD
• 0,1% failure rate

Question 15

without contraception, hetero couples have a ____% chance of getting pregnant after having intercourse

Answer 15

85