Fine PM, Tryggestad J, Meyers NJ, Sangi-Haghpeykar H. Safety and acceptability with the use of a contraceptive vaginal ring after surgical or medical abortion. Contraception 2007;75(5):367–71. https://www.ncbi.nlm.nih.gov/pubmed/17434018
Hognert H, Kopp Kallner H, Cameron S, Nyrelli C, Jawad I, Heller R, et al. Immediate versus delayed insertion of an etonogestrel releasing implant at medical abortion-a randomized controlled equivalence trial. Hum Reprod 2016;31(11):2484–90. https://www.ncbi.nlm.nih.gov/pubmed/27664217
Lang C, Chen ZE, Johnstone A, Cameron S. Initiating intramuscular depot medroxyprogesterone acetate 24-48 hours after mifepristone administration does not affect success of early medical abortion. BMJ Sex Reprod Health 2018;44:242–7. https://www.ncbi.nlm.nih.gov/pubmed/30049685
Raymond EG, Weaver MA, Louie KS, Tan YL, Bousieguez M, Arangure-Peraza AG, et al. Effects of depot medroxyprogesterone acetate injection timing on medical abortion efficacy and repeat pregnancy: a randomized controlled trial. Obstet Gynecol 2016;128(4):739–45. https://www.ncbi.nlm.nih.gov/pubmed/27607859
Raymond EG, Weaver MA, Tan YL, Louie KS, Bousieguez M, Lugo-Hernandez EM, et al. Effect of immediate compared with delayed insertion of etonogestrel implants on medical abortion efficacy and repeat pregnancy: a randomized controlled trial. Obstet Gynecol 2016;127(2):306–12. https://www.ncbi.nlm.nih.gov/pubmed/26942358
Sonalkar S, Hou MY, Borgatta L. Administration of the etonogestrel contraceptive implant on the day of mifepristone for medical abortion: a pilot study. Contraception 2013;88(5):671–3. https://www.ncbi.nlm.nih.gov/pubmed/24028749
Sonalkar S, McClusky J, Hou MY, Borgatta L. Administration of depot medroxyprogesterone acetate on the day of mifepristone for medical abortion: a pilot study. Contraception 2015;91(2):174–7. https://www.ncbi.nlm.nih.gov/pubmed/25481376
