References
- Jouppila P. Clinical consequences after ultrasonic diagnosis of intrauterine hematoma in threatened abortion. J Clin Ultrasound 1985;13:107–11
- Strobino BA, Pantel-Silverman J. First-trimester vaginal bleeding and the loss of chromosomally normal and abnormal conceptions. Am J Obstet Gynecol 1987;157:1150–4
- Chung KH, Sahota DS, Laun TK, et al. Threatened abortion: prediction of viability based on sings and symptoms. Aust N Z J Obstet Gynaecol 1999;39:443–7
- Saraswat L, Bhattacharya S, Maheshwari A. Maternal and perinatal outcome in women with threatened miscarriage in the first trimester: a systematic review. BJOG 2010;117:245–57
- Nicolaides KH. A model for a new pyramid of prenatal care based on the 11 to 13 weeks’ assessment. Prenat Diagn 2011;31:3–6
- Beta J, Akolekar R, Ventura W, et al. Prediction of spontaneous preterm delivery from maternal factors, obstetric history and placental perfusion and function at 11–13 weeks. Prenat Diag 2011;31:75–83
- Villa PM, Kajantie E, Raikkonen K, et al. Aspirin in the prevention of pre-eclampsia in high-risk women: a randomised placebocontrolled PREDO Trial and a meta-analysis of randomised trials. BJOG 2010;120:64–74
- Romero R, Yeo L, Chaemstaithong P, et al. Progesteron to prevent spontaneous preterm birth. Semin Fetal Neonatal Med 2014;42:38–44
- Wijesiriwardana A, Bhattacharya S, Shetty A, et al. Obstetric outcome in women with threatened miscarriage in the first trimester. Obstet Gynecol 2006;107:557–62
- Weiss JL, Malone FD, Vidaver J, et al.; FASTER Consortium. Threatened abortion: a risk factor for poor pregnancy outcome, a population-based screening study. Am J Obstet Gynecol 2004;190:745–50
- Mulik V, Bethel J, Bhal K. A retrospective population-based study of primigravid women on the potential effect of threatened miscarriage on obstetric outcome. J Obstet Gynaecol 2004;24:249–53
- Pawelec M, Pałczyński B, Krzemieniewska J, et al. Initiation of preterm labor. Adv Clin Exp Med 2013;22:283–8
- Madhappan B, Kempuraj D, Christodoulou S, et al. High levels of intrauterine corticotropin-releasing hormone, urocortin, tryptase, and interleukin-8 in spontaneous abortions. Endocrinology 2003;144:2285–90
- Ziganshin AU, Zefirova JT, Zefirova TP, et al. Potentiation of uterine effects of prostaglandin F2{alpha} by adenosine 5′-triphosphate. Obstet Gynecol 2005;105:1429–36