Prognostic significance of prior preterm twin delivery on subsequent singleton delivery
Article Abstract:
Women who have delivered twins prematurely may have an increased risk of delivering subsequent single infants before term. Researchers tracked 144 women who had delivered twins and later had given birth to a single infant. Eighty-six women gave birth to twins before term, defined as 37 weeks of pregnancy, and 21 delivered subsequent single infants prematurely. Women who delivered twins before 34 weeks of pregnancy had a much greater risk of subsequent preterm birth of a single infant, while those who delivered twins between 34 and 37 weeks' gestation had a slightly increased risk of subsequent preterm birth. Infection, increased uterine activity and distension, and nutrition may influence premature birth.
Publication Name: American Journal of Obstetrics and Gynecology
Subject: Health
ISSN: 0002-9378
Year: 1996
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Fetal anomaly detection by second-trimester ultrasonography in a tertiary center
Article Abstract:
Screening all pregnant women with ultrasound to detect serious fetal abnormalities may be cost-effective. Researchers compared the rate of fetal abnormalities in 1,611 pregnant women at low risk of fetal abnormalities who were screened and 420 at high risk who were screened. Overall, 2.3% of the fetuses had abnormalities. Nine percent of the fetuses in the high risk group had abnormalities and less than one percent of fetuses in the low risk group had abnormalities. One-fourth of the women with an abnormal fetus chose to terminate the pregnancy. The cost savings in neonatal care in these cases offset the cost of routine screening.
Publication Name: American Journal of Obstetrics and Gynecology
Subject: Health
ISSN: 0002-9378
Year: 1998
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Glucometer analysis of one-hour glucose challenge samples
Article Abstract:
Screening for gestational diabetes with a glucometer may allow for the immediate distinction between normal women and those most at risk, while drastically reducing the cost of laboratory screening. Glucose levels were determined on venous blood samples from 222 pregnant women after ingesting 50 grams of glucose. Glucometer results under 110 invariably predicted laboratory glucose values under 135. Laboratory results over 135, requiring a glucose tolerance test, were consistently identified by a glucometer reading over 155. Intermediate levels would be laboratory tested.
Publication Name: American Journal of Obstetrics and Gynecology
Subject: Health
ISSN: 0002-9378
Year: 1997
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