Primiparity, assisted reproduction, and preterm birth in twin pregnancies: a population based study

[1] Reddy UM(2006)Maternal age and the risk of stillbirth throughout pregnancy in the United States Am J Obstet Gynecol 195 764-770

[2] Ko CW(2004)Obstetrical risks in the older primigravida J Coll Physicians Surg Pak 14 278-281

[3] Willinger M(2006)Genetic and environmental factors influencing first service conception rate and late embryonic/foetal mortality in low fertility dairy herds Anim Reprod Sci 91 31-44

[4] Naqvi MM(2003)Risk factors for hypertension during pregnancy in South Australia Aust N Z J Obstet Gynaecol 43 421-428

[5] Naseem A(2005)Assessment of risk for the development of pre-eclampsia by maternal characteristics and uterine artery Doppler BJOG 112 703-709

[6] Grimard B(2004)Maternal constraint of fetal growth and its consequences Semin Fetal Neonatal Med 9 419-425

[7] Freret S(2003)Young maternal age and preterm birth Paediatr Perinat Epidemiol 17 332-339

[8] Chevallier A(2002)Risk factors and outcome of failure to progress during the first stage of labor: a population-based study Acta Obstet Gynecol Scand 81 222-226

[9] Pinto A(2004)The continuing effectiveness of active management of first labor, despite a doubling in overall nulliparous cesarean delivery Am J Obstet Gynecol 191 891-895

[10] Ponsart C(2004)Risk factors for adverse outcomes in spontaneous versus assisted conception twin pregnancies Fertil Steril 81 315-319

[1] Reddy UM(2006)Maternal age and the risk of stillbirth throughout pregnancy in the United States Am J Obstet Gynecol 195 764-770

[2] Ko CW(2004)Obstetrical risks in the older primigravida J Coll Physicians Surg Pak 14 278-281

[3] Willinger M(2006)Genetic and environmental factors influencing first service conception rate and late embryonic/foetal mortality in low fertility dairy herds Anim Reprod Sci 91 31-44

[4] Naqvi MM(2003)Risk factors for hypertension during pregnancy in South Australia Aust N Z J Obstet Gynaecol 43 421-428

[5] Naseem A(2005)Assessment of risk for the development of pre-eclampsia by maternal characteristics and uterine artery Doppler BJOG 112 703-709

[6] Grimard B(2004)Maternal constraint of fetal growth and its consequences Semin Fetal Neonatal Med 9 419-425

[7] Freret S(2003)Young maternal age and preterm birth Paediatr Perinat Epidemiol 17 332-339

[8] Chevallier A(2002)Risk factors and outcome of failure to progress during the first stage of labor: a population-based study Acta Obstet Gynecol Scand 81 222-226

[9] Pinto A(2004)The continuing effectiveness of active management of first labor, despite a doubling in overall nulliparous cesarean delivery Am J Obstet Gynecol 191 891-895

[10] Ponsart C(2004)Risk factors for adverse outcomes in spontaneous versus assisted conception twin pregnancies Fertil Steril 81 315-319