Arowojolu AO, Okewole A, Adekunle AO: Comparative evaluation of the efectiveness and safety of two regimens oflevonorgestrel for emergency contraception in Nigerians. Contraception 66(4):269, 2002
Backman T, Rauramo I, Huhtala S, et al: Pregnancy during the use of levonorgesrrel intrauterine system. Am J Obstet Gynecol 190(1):50, 2004
Bahamondes L, Brache V, Meirik 0, et a1: A 3-year multicentre randomized controlled trial of etonogestrel-and levo-norgestrel-releasing contraceptive implants, with non-randomized matched copper-intrauterine device controls. Hum Reprod 30(11):2527,n2015
Bahamondes L, Del Castillo S, Tabares G: Comparison of weight increase in users of depot medroxyprogesterone acetate and copper IUD up to 5 years. Contraception 64(4):223, 2001
Bayer Group: Jadelle: data sheet. 2015. Available at: http://www.medsafe.govt. nz/profs/datasheet/jIJadelleimplant.pdf. Accessed October 11n,n2016
Bayer HealthCare Pharmaceuticals: Yaz: highlights of prescribing information. 2015. Available at: http://labeling.bayerhealthcare.com/htmllproducts/pil fhclYAZ_Pl.pdf. Accessed October 11,n2016
Beckman LJ, Murray J, Harvey SM: he contraceptive sponge: factors in initiation and discontinuation of use. Contraception 40:481, 1989
Bednarek PH, Creinin MD, Reeves MF, et a1: Immediate versus delayed IUD insertion after uterine aspiration. N Engl J Med 364(23):2208, 2011
Bednarek PH, Creinin MD, Reeves MF, et a1: Post-Aspiration IUD Randomization (PAIR) Study Trial Group. Prophylactic ibuprofen does not improve pain with IUD insertion: a randomized trial. Contraception 91(3):193, 2015
Birgisson NE, Zhao Q, Secura GM, et al: Positive testing for Neisseria gonorrhoeae and Chlamydia trachomatis and the risk of pelvic inlammatory disease in IUD users. J Womens Health 24(5):354, 2015
Boortz HE, Margolis OJ, Ragavendra N, et al: Migration of intrauterine devices: radiologic indings and implications for patient care. Radiographies 32(2):335,n2012
Bosetti C, Bravi F, Negri E, et a1: Oral contraceptives and colorectal cancer risk: a systematic review and meta-analysis. Hum Reprod Update 15(5):489,2009
Brache V, Cochon L, J esam C, et al: Immediate pre-ovulatory administration of 30 mg ulipristal acetate significantly delays follicular rupture. Hum Reprod 25(9):2256, 2010
Briggs GG, Freeman RK: Drugs in Pregnancy and Lactation, 10th ed.
Philadelphia, Wolters K1uwer, 2015
Buhling KJ, Zite NB, Lotke P, et a1: Worldwide use of intrauterine contraception: a review. Contraception 89(3):162, 2014 Centers for Disease Control and Prevention: Sexually transmitted diseases treatment guidelines, 2015. MMWR 64(3):1,2015