title: Reply: To PMID 25305408.
authors.affiliation: "ALTAMEDICA" Fetal-Maternal Medical Centre, Department of Prenatal Diagnosis, Rome, Italy. Electronic address: info@pietrocignini.it.
authors.forename: Pietro
authors.initials: P
authors.lastname: Cignini
authors.affiliation: "ALTAMEDICA" Fetal-Maternal Medical Centre, Department of Prenatal Diagnosis, Rome, Italy.
authors.forename: Claudio
authors.initials: C
authors.lastname: Giorlandino
authors.affiliation: Campus Bio Medico University of Rome, Department of Obstetrics and Gynaecology, Rome, Italy.
authors.forename: Roberto
authors.initials: R
authors.lastname: Angioli
authors.affiliation: Campus Bio Medico University of Rome, Department of Obstetrics and Gynaecology, Rome, Italy.
authors.forename: Alessia
authors.initials: A
authors.lastname: Aloisi
mesh_terms: D005260:Female; D006801:Humans; D048208:Nuchal Translucency Measurement / Q000187:drug effects*; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D011372:Progestins / Q000494:pharmacology*
chemical_list: D011372:Progestins; D011374:Progesterone