The pregnancy-related mortality ratio increased from 7.2 per 100,000 live births in 1987 to 10.0 per 100,000 live births in 1990, probably because of improved surveillance.
Maternal bone resorption is greater in multiple than in singleton gestations.
The levels of immunoreactive eicosanoid enzymes, epidermal growth factor, and transforming growth factor alpha, but not epidermal growth factor receptor, are decreased in myometrial tissue from failed labor.
The erythrocyte population of umbilical cord blood of preeclamptic women has a younger age distribution than umbilical cord blood of women with uncomplicated pregnancy.
Brain levels of ionized magnesium and calcium are tightly regulated; however, magnesium supplementation may change biologically active portions of these electrolytes in the brain.
A male excess among preterm births exists in white singletons more than blacks, in white married women more than those unmarried, and in white twins less than 34 weeks' gestation.
Before term in normotensive pregnancies, FGR is associated with poorer perinatal outcome than in those pregnancies with hypertension; at term, growth restriction in hypertensive pregnancies has poorer outcome than in normotensive pregnancies.
Postmaturity is associated with impaired fetal cardiac function.
For women of advanced maternal age, the presence of minor ultrasound anomalies (eg, nuchal thickening) increases the likelihood of aneuploidy to 10%, and its absence reduces it to 0.5%.
Use of PCR and established primers on uncultured amniocytes for determination of fetal RhD status is highly accurate.
Early epidural placement and less advanced cervical dilation on admission are important predictors of prolonged labor in nulliparous patients.
Administration of prophylactic ampicillin-sulbactam reduces intra-amniotic infection associated with meconium-stained AF.
Pulsatile administration of GnRH alone or in combination with clomiphene citrate or gonadotropins in a stepwise approach is successful in women with clomiphene-resistant polycystic ovary syndrome.
Intolerable side effects and change in menstrual pattern are the most frequently indicated reasons for discontinuing use of depot medroxyprogesterone acetate.
Patients who underwent adjuvant medical treatment for endometriosis disease showed a positive modulation of basal natural killer cell activity during GnRH-agonist administration.
Hysteroscopic endometrial ablation is 82% effective and reduces costs by 58% compared with vaginal hysterectomy in women with menorrhagia.
Clinical and pathologic characteristics in women with prior tubal sterilization differ from those of nonsterilized women at hysterectomy.
The Burch and sling procedures offer high success rates in repairing unsuccessful incontinence surgery; however, the Burch procedure is preferable because of fewer complications.
HPV DNA is not commonly present in the epithelium adjacent to CIN, based on a study using PCR and microdissection techniques.
Single-point measurements have limitations when assessing cervical HPV infection; short-term DNA persistence profiles and levels of DNA are highly variable between and within individuals.
Evaluation of the characteristics of HIV-infected women with invasive cervical cancer reported to AIDS surveillance indicates that minority women are under reported.
Recurrent factors in IB, IIA, and IIB cervical carcinomas after radical hysterectomy and postoperative irradiation are bulk tumor, tumor emboli, and iliac lymph node metastases.
Pelvic lymph node metastasis in endometrial cancer with no myometrial invasion is not rare.
In differentiating malignant from benign ovarian lesions, transvaginal color Doppler sonography and gray-scale imaging are equally effective, and both are better than serum CA 125.
Patients who present for infertility treatment demonstrate an unexpectedly high dropout rate within 6 months.
Suspension of the bladder neck to Cooper's ligament is accomplished easily and safely through a vaginal approach.
Obstetric patients who consent to medical student participation in their intrapartum care expect less direct involvement and rate students' skills more highly than do students themselves.
Adjunctive antibiotic treatment is not indicated routinely in patients with preterm labor.
Hypertensive disorders and prolonged rupture of membranes are strongly associated with placental abruption, but with notable variation among studies.
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