title: Diagnosis of sirenomelia in the first trimester.
abstract: Sirenomelia or "mermaid syndrome" is a rare congenital abnormality with an incidence of 1 in 60,000. We report a case diagnosed in the first trimester using two-dimensional, three-dimensional, and color Doppler ultrasound. With increasing emphasis on early diagnosis of fetal abnormalities, this case highlights the importance of looking for anomalies in the first trimester itself. In fact, the diagnosis of sirenomelia should be easier in the first trimester as severe oligohydramnios in later gestation hampers vision.
authors.affiliation: Apollo Centre for Fetal Medicine, Indraprastha Apollo Hospital, New Delhi, India, 110076.
authors.forename: Chanchal
authors.initials: C
authors.lastname: Singh
authors.forename: Pooja
authors.initials: P
authors.lastname: Lodha
authors.forename: Deepshikha
authors.initials: D
authors.lastname: Arora
authors.forename: Akshatha
authors.initials: A
authors.lastname: Prabhu Sharma
authors.forename: Anita
authors.initials: A
authors.lastname: Kaul
mesh_terms: D000025:Abortion, Eugenic / Q000379:methods*; D003376:Counseling; D004480:Ectromelia / Q000175:diagnosis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D038061:Lower Extremity Deformities, Congenital / Q000175:diagnosis / Q000000981:diagnostic imaging*; D010298:Parity; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D035583:Rare Diseases; D018615:Ultrasonography, Doppler, Color / Q000379:methods; D016216:Ultrasonography, Prenatal / Q000379:methods*; D055815:Young Adult
keywords: fetal malformations; first trimester; prenatal diagnosis; sirenomelia; ultrasound