Increased midtrimester amniotic fluid activin A: a risk factor for subsequent fetal death

Article Abstract:

Increased levels of activin A in the amniotic fluid of pregnant women may be a sign of fetal distress. Activin A is a protein that regulates cell proliferation and differentiation. Researchers measured the amount of activin A in samples of amniotic fluid taken from 110 pregnant women during amniocentesis. Activin A was detected in all the samples, but the level was much higher in women whose babies died before birth. Forty percent of these women had activin A levels much higher than normal.

Methods, Diagnosis, Physiological aspects, Growth factors, Fetal distress, Prenatal diagnosis

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Elevated maternal midtrimester serum free beta-human chrionic gonadotropin levels in vegetarian pregnancies that cause increased false-positive Down syndrome screening results

Article Abstract:

A study on 98 vegetarian and 122 omnivore pregnancies showed that in vegetarian pregnancies, midtrimester maternal serum, beta-human chronic gonadotropin levels increased that led to an elevated false rate in screening for Down syndrome in comparison to the pregnant women following a regular diet. To correct the increased false-positive screening results in vegetarian pregnancy, it is imperative to correct the alpha-fetoprotein and beta-human gonadotropin reference levels.

Taiwan, Down syndrome, Chorionic gonadotropin, Chorionic gonadotropins, Alpha fetoproteins

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Prospective echocardiographic evaluation of atrioventricular conduction in fetuses with maternal Sjogren's antibodies

Article Abstract:

Isoimmune atrioventricular block is diagnosed, which will be important to determine the safest, most effective, and shortest duration of dexamethasone treatment. To determine whether the Doppler-derived mechanical PR interval could prospectively discriminate fetuses with incomplete atrioventricular block (AVB) that might benefit from directed transplacental steroid therapy from those with normal AV conduction.

Evaluation, Risk factors, Sjogren's syndrome, Echocardiography, Atrioventricular node

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