Melamed N, Shah ], Yoon EW, et al: he role of antenatal corticosteroids in twin pregnancies complicated by preterm birth. Am J Obstet Gynecol 215(4):482.el,t2016b
Mhyre ]M: Maternal mortality. Curr Opin Anesthesiol 25:277, 2012
Michelfelder E, Gotrliebson W, Border W, et al: Early manifestations and spectrum of recipient twin cardiomyopathy in twin-twin transfusion syndrome: relation to Quintero stage. Ultrasound Obstet Gynecol 30:965, 2007
Miller J, Chauhan SP, Abuhamad AZ: Discordant twins: diagnosis, evaluation and management. Am J Obstet GynecoIt206(l):10, 2012
Morikawa M, Yamada T, Yamada T, et al: Prospective risk of stillbirth: monochorionic diamniotic twins vs dichorionic twins. J Perinat Med 40:245, 20t12
Moroz LA, Brock CO, Govidappagari 5, et al: Association between change in cervical length and spontaneous preterm birth in twin pregnancies. Am J Obstet Gynecol 216(2): 159.el, 2017
Muggli EE, Halliday]L: Folic acid and risk of twinning: a systematic review of the recent literature, July 1994 to July 2006. MJA 186(5):243,t2007
Muleba N, Dashe N, Yost 0, et al: Respiratory morbidity among second-born twins. Presented at the 25th Annual Meeting of the Sociey for Maternal Fetal Medicine, February 7-12, 2005
Mutchinick OM, Luna-Munoz L, Amar E, et al: Conjoined twins: a worldwide collaborative epidemiological study of the international clearinghouse for birth defects surveillance and research. Am J Med Genet C Semin Med Genet 15 7C( 4) :274, 201t1
Newman RB, Krombach 5, Myers MC, et al: Efect of cerclage on obstetrical outcome in twin gestations with a shortened cervical length. Am J Obstet Gynecol 186:634, 2002
Nicolaides KH, Syngelaki A, Poon LC, et al: Cervical pessary placement for prevention of preterm birth in unselected twin pregnancies: a randomized controlled trial. Am J Obstet Gynecol 214(l):3.el, 2016
Norman ]E, Mackenzie F, Owen P, et al: Progesterone for the prevention of preterm birth in twin pregnancy (STOPPIT): a randomised, double-blind, placebo-controlled study and meta-analysis. Lancet 373:2034, 2009
Nylander PP: Biosocial aspects of multiple births.t] Biosoc Sci 3:29, 1971 Nylander PP: Serum levels of gonadotropins in relation to multiple pregnancy in Nigeria. B]OG 80:65t1,t1973
O'Brien P, Nugent M, Khalil A: Prenatal diagnosis and obstetric management.
Semin Pediatr Surg 24(5):203,t2015
Odibo AO, Cahill AG, Goetzinger KR, et al: Customized growth charts for twin gestations to optimize identiication of small-for-gestational age fetuses at risk of intrauterine fetal death. Ultrasound Obstet GynecoI41:637, 2013