High serum ferritin concentration during the third trimester, reflecting a failure to decline, is associated with increased very preterm delivery, markers for subclinical infection, and maternal nutrition.
Plasma homocyst(e)ine levels are lower in pregnancy irrespective of dietary folate intake.
Women homozygous for the T 235 coding angiotensinogen genotype have reduced plasma volume compared with women who are homozygous for the M 235 coding genotype or heterozygous.
Because risk factors for preeclampsia vary in whites and blacks, ethnicity should be considered in risk factor analyses of preeclampsia.
Serum Tie levels in preeclamptic women are lower than those in healthy pregnant and nonpregnant women.
Fetal fibrinolysis, as reflected by umbilical venous D-dimer concentrations, is activated at birth following labor but not following elective cesarean delivery.
The prevalence of alcohol use among pregnant women in the United States appears to be increasing, especially for frequent use.
In cocaine-exposed pregnancies, fetal outcome improves with specialized prenatal care, while drug rehabilitation alters maternal behavior and determines consequent morbidity.
Smoking cessation during early pregnancy is associated with reversible increments of maternal airway function and increased birth weight.
In women with threatened abortion and a live fetus, the presence of low concentrations of hCG and free thyroxine with high concentrations of TSH and immunoglobulins suggests a negative prognosis.
Misoprostol administered rectally proves an effective treatment for postpartum hemorrhage.
In cases of twin-twin transfusion syndrome, when one twin dies in utero, about half of the survivors will die or experience serious morbidity.
Fetal lung maturity is delayed in hypertensive pregnancies and glucocorticoids are effective in promoting lung maturation, especially between 24 and 33 weeks.
Neonatal corrective surgery may be warranted when the anteroposterior renal pelvic diameter measured during late fetal life by ultrasonography is at least 20 mm.
The reported risk of aneuploidy for a fetus with an isolated choroid plexus cyst should be interpreted cautiously and should include the baseline fetal risk.
An ultrasonographic study of amniotic fluid index conducted in a Chinese population demonstrates that different standards are needed for different populations
Monomeric calcitonin levels are not different in pregnant women compared with nonpregnant women, whereas cord blood levels are much higher than maternal levels.
Effects of acupuncture on the duration of labor are not mediated by interleukin-8, prostaglandin F2alpha, and beta-endorphin.
No differences exist in clinical response or birth outcomes of subjects treated with intravenous ampicillin-gentamicin, intravenous cefazolin or intramuscular ceftriaxone.
Risk factors for chorioamnionitis among adolescents include concurrent tobacco and alcohol use, living with male partner, conduction anesthesia, and prolonged labor and ruptured membranes.
Clinical isolates of group B streptococci frequently are resistant to clindamycin and erythromycin in vitro, potentially limiting their utility in penicillin-allergic pregnant women.
Prophylactic antibiotics for cesarean delivery change endometrial and endocervical microflora but do not affect the overall cure of endometritis.
Women with positive cervical cytology followed by negative histology have increased risk of endometrial, vulvar, and vaginal cancers, which persist longer than 5 years in the case of vulvar and vaginal cancers.
Hypertension seems to be a risk factor for premenopausal hysterectomy in some women and explains part of the relation between hysterectomy and cardiovascular diseases.
Transvaginal Mayo culdoplasty achieves anatomic restoration of upper vaginal support with ablation of enterocele in a high percentage of patients observed over the long-term.
The use of an external urethral-continence device in women with urinary incontinence is efficacious and safe.
Universal first-void urine screening of child-bearing age women for Chlamydia trachomatis is cost-beneficial when the prevalence of chlamydial infection exceeds 3.9%.
A new Doppler modality provides rapid, reproducible, and reliable quantitative assessment of blood flow in the study of the umbilico-placental circulation.
A simple model can be created to help learn stereotactic skills for ultrasound guidance in amniocentesis.
Preeclampsia might reflect the situation of a constricted maternal vascular system that is unable to accommodate the volume expansion of pregnancy.
If tocolytic magnesium is associated with increased total pediatric mortality, as shown in a recent trial, several thousand infant deaths may result annually.
Although clinical reversal of chemotherapy resistance is difficult, multiple novel strategies for modulation of drug resistance appear to be promising.
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