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Table 1 Medical Eligibility Criteria [CDC/WHO]

From: Optimizing maternal and neonatal outcomes with postpartum contraception: impact on breastfeeding and birth spacing

Method <10 min <48 h <21 days 21 to <30 days 30-42 days 42 days-6 months >6 months
Breastfeeding Women Category [CDC/WHO]      
 Combined hormonal contraceptives 4/4 4/4 4/4 3/4 2a/4 2/3c 2/2
 Progestin-only pills 2/2 2/2 2/2 2/2 1/2 1/1 1/1
 DMPA 2/3 2/3 2/3 2/3 1/3 1/1 1/1
 Etonogestrel implant 2/2 2/2 2/2 2/2 1/2 1/1 1/1
 Levonorgestrel intrauterine device 2/2 2/2 2/3 2b/3b 1b/1b 1/1 1/1
 Copper intrauterine device 1/1 2/1 2/3 2b/3b 1b/1b 1/1 1/1
Nonbreastfeeding Women Category [CDC/WHO]      
 Combined hormonal contraceptives 4/3d 4/3d 4/3d 2a/2a 2a/2a 1/1 1/1
 Progestin-only pills 1/1 1/1 1/1 1/1 1/1 1/1 1/1
 DMPA 1/1 1/1 1/1 1/1 1/1 1/1 1/1
 Etonogestrel implant 1/1 1/1 1/1 1/1 1/1 1/1 1/1
 Levonorgestrel intrauterine device 1/1 2/1 2/3 2b/3b 1b/1b 1/1 1/1
 Copper intrauterine device 1/1 2/1 2/3 2b/3b 1b/1b 1/1 1/1
  1. a CDC & WHO Category 3 for women with other risk factors for VTE: 35 years old or older, previous VTE, thrombophilia, immobility, peripartum transfusion, peripartum cardiomyopathy, obesity, peripartum hemorrhage, cesarean delivery, preeclampsia, or smoking
  2. b Refers to 28 days for intrauterine device insertion timing
  3. c Refers to women who are primarily breastfeeding
  4. d WHO Category 4 for women with other risk factors for VTE