| Factors that Influence MSAFP Concentration at Late Normal Singleton Pregnancies. |
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Mi Hye Park, Seung Cheol Kim, Jung Ja Ahn, Bock Hi Woo |
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| Abstract |
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This study was purosed to investigate maternal and fetal clinical parameters effecting on maternal serum alpha-fetoprotein(MSAFP) levels at late normal singleton pregnancies. The subjects of this study were 171 pregnant women with gestational age of 36 to 42 weeks, and didn`t have any medical or gynecologic diseases. They delivered fetuses within three days after blood test of MSAFP. MSAFP levels were measured by enzyme-immunoassay. The analysed clinical parameters included fetal sex, fetal weight, gestatioal age, maternal age, gravidity, parity, maternal weight and maternal total weight gain during pregnancy. The results were as follows: At uncomplicated late pregnancies, 1. Male fetus bearers had higher MSAFP(mean: 191.8 ng/ml, SD: 80.8 ng/ml, n=79) than female-fetus bearers(mean 153.6 ng/ml, SD 73.0 ng/ml, n=92)(p=0.0014). 2. Multiparas had higher MSAFP(mean: 192.7 ng/ml, SD: 77.9 ng/ml, n=80) than nulliparas(mean: 152.3 ng/ml, SD 75.1 ng/ml, n=91)(p=0.0007). 3. MSAFP did not have correlation with maternal age, maternal weight, maternal total wight gain during pregnancy, gestational age, fetal weight. According to the above results, fetal sex and parity are the factors that influences MSAFP levels at uncomplicated late pregnancies. So MSAFP values should be interpreted with cautions. |
| Key Words:
MSAFP, Late pregnancy, Parity, Fetal sex |
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