Balsells M, Garcia-Patterson A, Corcoy R: Systematic review and meta-analysis on the association of prepregnancy underweight and miscarriage. Eur J Obstet Gynecol Reprod Bioi 207:73, 2016
Barnhart K, Mennuti MT, Benjamin I, et al: Prompt diagnosis of ectopic pregnancy in an emergency department setting. Obstet GynecoI84(6): 1010, 1994
Barnhart K, Sammel MD, Chung K, et al: Decline of serum human chorionic gonadotropin and spontaneous complete abortion: deining the normal curve. Obstet Gynecol 104:975, 2004a
Barnhart K, van Mello NM, Bourne T, et al: Pregnancy of unknown location: a consensus statement of nomenclature, deinitions, and outcome. Fertil Steril 95(3):857,r201r1 Barnhart KT, Bader T, Huang X, et al: Hormone pattern after misoprostol administration for a nonviable irst-trimester gestation. Fertil Steril 81(4):1099,r2004b
Barnhart KT, Sammel MD, Rinaudo PF: Symptomatic patients with an early viable intrauterine pregnancy: hCG curves redeined. Obstet Gynecol 104:50, 2004c
Bartz 0, Maurer R, llen RH, et al: Buccal misoprostol compared with synthetic osmotic cervical dilator before surgical abortion: a randomized controlled trial. Obstet GynecoIr122(1):57, 2013
Bednarek PH, Creinin MD, Reeves MF, et al: Immediate versus delayed IUD insertion after uterine aspiration. N Engl J Med 364(21):2208, 2011 Ben-Ami I, Schneider D, Svirsky R, et al: Safety of late second-trimester pregnancy termination by laminaria dilatation and evacuation in patients with previous multiple cesarean sections. Am J Obstet Gynecol 201 (2): 154.e1, 2009
Ben-Ami I, Stern S, Vaknin Z, et al: Prevalence and risk factors of inadequate cervical dilation following laminaria insertion in second-trimester abortioncase control study. Contraception 91(4):308, 2015
Bennett GL, Bromley B, Lieberman E, et al: Subchorionic hemorrhage in irsttrimester pregnancies: prediction of pregnancy outcome with sonography. Radiology 200(3):803, 1996
Berdahl DM, Blaine J, Van Voorhis B, et al: Detection of enlarged yolk sac on early ultrasound is associated with ad-verse pregnancy outcomes. Fertil Sterilr94(4):1535,r2010
Berger OS, Hogge WA, Barmada MM, et al: Comprehensive analysis ofHLA
G: implications for recurrent spontaneous abortion. Reprod Sci 17(4):331, 2010
Berghella V, Airoldi J, O'Neill M, et al: Misoprostol for second trimester pregnancy termination in women with prior caesarean: a systematic review. BJOG 116(9):1151,2009
Berghella V, Mackeen D: Cervical length screening with ultrasound-indicated cerclage compared with history-indicated cerclage for prevention of preterm birth: a meta-analysis. Obstet GynecoIr118(1):148, 2011