Method	How to use	Advantage	Disadvatage
OCP	21 – 7 days (menses occur here)	⤵️  Risk for ovarian + Endometrial cancer + Ectopic pregnancy	·       HTN ·       DVT/PE
Vaginal ring	·       a ring inside, secretes hormone (~ OCP) ·       Remains 3 weeks ·       when removed → blood comes out	=	=
Patch	·       Skin patch that secrtes hormones ·       Not to be placed on chest ·       3 weeks (change patch every 1w) → 1 w free (bleeding occurs here)	=	=
IUD (copper)	Provides long period of protection		PID (do genital cx befor) ·       Heavy bleeding
IUD (levenorgestrol)	·       MoA: Physical barrier, decidualization of endometrium, thicken cvx secretions	·       Long time ·       Efficacy (99%) ·       Amenorrhea (if pt is anemic) ·       good for those who forget taking meds	SE: ·       mood swings ·       breast tenderness
IM medroxyprogesterone acetate	effective for ~ 3 months		Weight gain
Tubal Ligation		irreversible
Vasectomy		irreversible	be careful you may get her pregnant early days

	Estrogen-progestin contraceptives: Benefits & risks
✓	·       Pregnancy prevention ·       Endometrial & ovarian cancer risk ·       Menstrual regulation (Anovulation, dysmenorrhea, anemia) ·       Hyperandrogenism Tx (hirsutism, acne)
❌	·       VTE ·       Hepatic adenoma ·       Stroke, myocardial infarction (both very rare) ·       Cervical cancer

	MoA	⏰ after sex	Efficacy
Copper IUD	Copper causes inflammatory reaction that is toxic to sperm & ova & impairs implantation	Up to 5 days	99%
Ulipristal pill	Antiprogestin; delays ovulation	Up to 5 days	≥85%
Levonorgestrel pill	Progestin; delays ovulation	3 Days	85%
OCPs	Progestin; delays ovulation	3 Days	75%