Amniorrhexis lowers the incidence of positive cultures for group B streptococci

Article Abstract:

Pregnant women may be less likely to have a positive laboratory culture for a group B Streptococcus infection immediately after amniorrhexis, or the rupture of fetal membranes, than before amniorrhexis. Some hospitals routinely perform laboratory cultures for group B Streptococcus infection on women admitted to their labor and delivery department. Vaginal cultures for group B Streptococcus were performed on 166 women and rectal cultures for group B Streptococcus were performed on 35 women before and after amniorrhexis. Thirty percent of the vaginal cultures were positive before rupture of fetal membranes, compared with 17% after rupture of fetal membranes. Thirty percent of the rectal cultures were positive before amniorrhexis, compared with 0.9% after amniorrhexis. The rupture of fetal membranes may dilute bacteria or inhibit their growth.

Streptococcal infections, Diseases, Pregnant women

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The management of a persistent adnexal mass in pregnancy

Article Abstract:

Surgical removal of ovarian cysts during pregnancy may be associated with complications and may not be necessary. Standard management of ovarian cysts found during pregnancy that are larger than five or six centimeters in diameter has been to surgically remove them. Researchers found ovarian cysts in 31 pregnant women out of 43,372 deliveries. Nineteen women had surgery to remove the cysts, all of which were found to be benign. One woman miscarried within 24 hours after surgery. Ovarian cysts were drained in five women who did not undergo surgery. Ovarian cysts may be diagnosed more frequently due to the increased usage of ultrasonography, but most of these may not be cancerous. High-resolution ultrasonography may distinguish between benign and malignant tumors and reduce the need for surgery.

Care and treatment, Prevention, Ovaries, Pregnancy, Complications of, Pregnancy complications, Ovarian cysts, Cysts

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Is polyhydramnios in an ultrasonographically normal fetus an indication for genetic evaluation?

Article Abstract:

A pregnancy with excessive amniotic fluid may indicate a fetus with developmental defects. Researchers used ultrasound to analyze the amount of amniotic fluid in 2,730 third-trimester pregnancies, and identified 49 pregnancies with excessive amniotic fluid. Two of the 49 fetuses had chromosome defects, a rate of 4.1%, compared to three infants from 2,681 pregnancies with normal amniotic fluid volumes, which is a rate of 0.12%. Six other infants from the 49 pregnancies with excess fluid had structural defects involving the genitourinary tract or the heart. Both infants with chromosome defects were below the 10th percentile for gestational age, but no other defects were seen by ultrasound. Pregnancies found to have excessive amniotic fluid by ultrasound may require chromosomal or other analyses.

Health aspects, Chromosome abnormalities, Hydramnios

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