Frank A. Chervenak

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BACKGROUND Pulmonary embolism (PE) is a leading cause of maternal mortality in the developed world. Along with appropriate prophylaxis and therapy, prevention of death from PE in pregnancy requires a high index of clinical suspicion followed by a timely and accurate diagnostic approach. METHODS To provide guidance on this important health issue, a(More)
This paper provides an overview of ethical issues in obstetrics and gynecology. We first define two basic ethical principles, beneficence and respect for autonomy. We first apply these principles to gynecologic practice, emphasizing the role of informed consent. We then apply these principles to obstetric practice, utilizing the concept of the fetus as a(More)
OBJECTIVE Our goal was to describe the outcomes of women with vaginal agenesis who had surgical creation of a neovagina using the Vecchietti technique over a 20-year period. We also sought to determine whether the laparoscopic approach would result in similar outcomes as laparotomy. METHOD Retrospective analysis of 76 women with vaginal agenesis treated(More)
OBJECTIVE The purpose of this study was to evaluate the antenatal umbilical cord coiling index obtained during the fetal anatomic survey in the second trimester as a predictor of adverse pregnancy outcome. STUDY DESIGN Four hundred twenty-five consecutive women who had a fetal anatomic survey between 18 to 23 weeks of gestation were evaluated for(More)
This article addresses the recrudescence of and new support for midwife-supervised planned home birth in the United States and the other developed countries in the context of professional responsibility. Advocates of planned home birth have emphasized patient safety, patient satisfaction, cost effectiveness, and respect for women's rights. We provide a(More)
OBJECTIVE The purpose of this study was to determine whether first trimester ultrasound scanning can identify twin gestations that are at risk for subsequent growth discordance. STUDY DESIGN Ultrasound examinations of dichorionic twin pregnancies between 11 and 14 weeks of gestation were evaluated for growth discordance with crown-rump length. Pregnancies(More)
OBJECTIVE The purpose of this study was to evaluate the impact of spontaneous reduction in multifetal pregnancy on first-trimester maternal serum biochemistry. STUDY DESIGN We evaluated first-trimester pregnancy associated plasma protein-A (PAPP-A) and free beta-human chorionic gonadotropin levels in singleton euploid pregnancies. Biochemical values in(More)
AIM To evaluate the developmental pattern of fetal hand movements and facial activity and expression during the second and third trimester of pregnancy by four-dimensional ultrasound (4D-US). SUBJECTS AND METHODS A total of 25 fetuses in uncomplicated pregnancies were analyzed; 15 fetuses at 13 to 16 weeks and 10 fetuses at 30 to 33 weeks of gestation(More)
Although there are critical appraisal tools for other genres of the medical literature, there currently is no formal tool for physicians to use in their critical appraisal of the normative medical ethics literature. We present a formal assessment tool for the critical appraisal of the normative medical ethics literature that incorporates the intellectual(More)
The management of 53 consecutive documented cases of fetal hydrocephalus is presented. Hydrocephalus was isolated in nine cases (17%) and associated with other abnormalities in 44 (83%). Our success in diagnosing abnormalities associated with hydrocephalus improved from the time period 1977 through 1981 to that of 1982 through 1983. In this series,(More)