A comparison of the yield of positive antenatal group B Streptococcus cultures with direct inoculation in selective growth medium versus primary inoculation in transport medium followed by delayed inoculation in selective growth medium

Article Abstract:

Direct sample inoculation into selective growth medium may improve the likelihood of detecting group B streptococcus. Group B strep poses a grave risk to an exposed newborn. Researchers took two sets of culture swabs of the vaginal opening, perineum, and rectum from 1,222 pregnant patients. One set was directly placed into selective growth medium, and the other was placed in transport medium and subsequently transferred to selective growth medium. Overall, one-quarter of the group tested group B strep positive. Delayed inoculation missed 16% of positive cultures compared with 5% with direct inoculation.

Testing, Streptococcus agalactiae, Body fluids

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Comparison of total blood volume in normal, preeclamptic, and nonproteinuric gestational hypertensive pregnancy by simultaneous measurement of red blood cell and plasma volumes

Article Abstract:

Blood volume appears to be reduced in women with preeclampsia. Preeclampsia is hypertension occurring during pregnancy. Researchers injected 55 pregnant women with a dye that would stain their blood cells so the volume of blood cells could be measured. Twenty of the women had preeclampsia and 15 had another type of pregnancy-related hypertension. Blood volume was significantly lower in the women with preeclampsia compared to the two other groups. The women lay on their left side the entire time because body position can affect blood cell volume.

Measurement, Physiological aspects, Preeclampsia, Blood, Erythrocytes, Red blood cells

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Preterm premature rupture of membranes: risks of recurrent complications in the next pregnancy among a population-based sample of gravid women

Article Abstract:

Pregnant women who had a previous pregnancy complicated by premature rupture of fetal membranes are 20 times more likely to experience this again compared to the general population. They are also three times more likely to have a premature birth, according to a study of 114 women. Premature birth is a substantial cause of infant death and chronic health problems.

Risk factors, Premature rupture of membranes, Premature rupture of the membrane, Premature birth

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