References
- Stevenson RE. Human malformations and related anomalies. In: Stevenson RE, Hall JG, editors. Human malformations and related anomalies. New York: Oxford University Press; 2006.
- Cass DL. Impact of prenatal diagnosis and therapy on neonatal surgery. Semin Fetal Neonatal Med 2011;16:130–138.
- Grandjean H, Larroque D, Levi S. The performance of routine ultrasonographic screening of pregnancies in the Eurofetus Study. Am J Obstet Gynecol 1999;181:446–454.
- Boyd PA, Tonks AM, Rankin J, Rounding C, Wellesley D, Draper ES; BINOCAR Working Group. Monitoring the prenatal detection of structural fetal congenital anomalies in England and Wales: register-based study. J Med Screen 2011;18:2–7.
- Salomon LJ, Alfirevic Z, Berghella V, Bilardo C, Hernandez-Andrade E, Johnsen SL, Kalache K, et al.; ISUOG Clinical Standards Committee. Practice guidelines for performance of the routine mid-trimester fetal ultrasound scan. Ultrasound Obstet Gynecol 2011;37:116–126.
- Chitty LS. Ultrasound screening for fetal abnormalities. Prenat Diagn 1995;15:1241–1257.
- Noronha Neto C, Souza AS, Moraes Filho OB, Noronha AM. Validation of ultrasound diagnosis of fetal anomalies at a reference center in Pernambuco. Rev Assoc Med Bras 2009;55:541–546.
- Grannum PA, Berkowitz RL, Hobbins JC. The ultrasonic changes in the maturing placenta and their relation to fetal pulmonic maturity. Am J Obstet Gynecol 1979;133:915–922.
- Julio H. Simplified classification placental. Rev Bras Ginecol Obstet 1996;18:37–43.
- Phelan JP, Smith CV, Broussard P, Small M. Amniotic fluid volume assessment with the four-quadrant technique at 36-42 weeks’ gestation. J Reprod Med 1987;32:540–542.
- Metodologia das estimativas da população residente nos municípios brasileiros [Internet]. Rio de Janeiro: IBGE; 2011 July 1. Available from http://www.ibge.gov.br/home/estatistica/.../estimativa2011/default.shtm
- Sackett DL, Wennberg JE. Choosing the best research design for each question. BMJ 1997;315:1636.
- Greenlaw C, Brown-Welty S. A comparison of web-based and paper-based survey methods: testing assumptions of survey mode and response cost. Eval Rev 2009;33:464–480.
- Yeh P, Saeed F, Paramasivam G, Wyatt-Ashmead J, Kumar S. Accuracy of prenatal diagnosis and prediction of lethality for fetal skeletal dysplasias. Prenat Diagn 2011;31:515–518.
- Hoffmann JI. Incidence of congenital heart disease: I. Postnatal incidence. Pediatr Cardiol 1995;16:103–113.
- Fonseca EB, Celik E, Parra M, Singh M, Nicolaides KH; Fetal Medicine Foundation Second Trimester Screening Group. Progesterone and the risk of preterm birth among women with a short cervix. N Engl J Med 2007;357:462–469.
- Hassan SS, Romero R, Vidyadhari D, Fusey S, Baxter JK, Khandelwal M, Vijayaraghavan J, et al.; PREGNANT Trial. Vaginal progesterone reduces the rate of preterm birth in women with a sonographic short cervix: a multicenter, randomized, double-blind, placebo-controlled trial. Ultrasound Obstet Gynecol 2011;38:18–31.
- Alfirevic Z, Neilson JP. The current status of Doppler sonography in obstetrics. Curr Opin Obstet Gynecol 1996;8:114–118.
- Neilson JP. Mifepristone for induction of labour. Cochrane Database Syst Rev 2000;:CD002865.
- Póvoa L, Andrade MV. Geographic distribution of physicians in Brazil: an analysis based on a locational choice model. Cad Saude Publica 2006;22:1555–1564.
- American Institute of Ultrasound in Medicine. AIUM practice guideline for the performance of obstetrical ultrasound. J Ultrasound Med 2010;29:157–166.