Contraception

Hormonal

OCPs

Combination

Liver cancer

DVT/Stroke

Most common reversible method

Progestin-only Minipill

40% will ovulate

Irregular bleed

Take at same time everyday

Injectables / Implants

r

Progestin-only

Depo-Provera

Medroxyprogesterone acetate

3 mo.

Implanon

3 years

Vaginal Insert

3 wks on, 1 wk off

Same as Combo-OCPs

Transdermal Patch

Decreased efficacy in females >= 90 Kg

Same as Combo-OCPs

Barrier / Vaginal Methods

Diaphragms

Requires fitting

Requires prescription

Leave in for 6 h after sex

Adv

Gonorrhea

DisAd

UTIs

Toxic Shock

Condoms

Male

Female

Cumbersome to use

Spermicides / Foams

Nonoxynol-9

Yeast infxn

Other

IUDs

Adv

Reversible, no delay in fertility

Cost-effective long-term

Disad

No STI protection

risk of PID

Sterilization

Permanent

Regret

Technical skill

Periodic Abstinence

Rhythm or Calendar

Predict ovulation

Cervical mucus

Abstain when cervical mucus sticky/moist

Symptothermal

Cervical mucus & Basal body temperature

Avg: 17 days of abstinence

Emergency Contraception

Combo pill (Estradiol & Norgestrel)

75% effective

Nausea common

Plan B (Levonorgestrel)

Prevent ovulation

Prevent implantation

RU-486 (Mifepistrone)

Antiprogestin

Not indicated in US

IUD

Not good option for nulliparous women

Lactational Amenorrhea

MOA

Depress GnRH

Inh. Dopamine

Prolactin

Guidelines

Remain amenorrheic

Exclusively breastfeed

1st 6 mo post-partum