title: Prediction of fetal loss by first-trimester crown-rump length in IVF pregnancies: prediction rules to avoid misinterpretation.
authors.affiliation: Safety Promotion and Injury Prevention Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran. s.sabour@sbmu.ac.ir.|Department of Clinical Epidemiology, School of Health, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran. s.sabour@sbmu.ac.ir.
authors.forename: Siamak
authors.initials: S
authors.lastname: Sabour
mesh_terms: D018568:Crown-Rump Length; D005260:Female; D005307:Fertilization in Vitro; D005333:Fetus; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011295:Prenatal Care