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High progesterone levels during early pregnancy are a normal occurrence because progesterone is produced in the placenta, according to the National Women's Health Resource Center. High progesterone levels combined with h... More »

www.reference.com Health Women's Health Pregnancy

Progesterone helps to build up the lining of the uterus to receive a fertilized egg, explains WebMD. Progesterone levels rise during ovulation, and a pregnant woman's body produces 10 times more progesterone than a non-p... More »

www.reference.com Health Women's Health Pregnancy

Human chorionic gonadotropin, or hCG, levels during pregnancy range from 5 to 50 milli-international units per milliliter at three weeks to 25,700 to 288,000 at nine to 12 weeks gestation, states the American Pregnancy A... More »

www.reference.com Health Women's Health Pregnancy
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High progesterone levels are not an accepted indication of being pregnant with twins; rather, high levels can indicate pregnancy, cancer or overproduction of hormones, notes Everyday Health. The most accurate way to lear... More »

www.reference.com Health Women's Health Pregnancy

While early pregnancy often involves abdominal symptoms, it is not necessarily the case that any kind of "weird feeling" indicates pregnancy. Abdominal symptoms associated with early pregnancy include constipation, bloat... More »

www.reference.com Health Women's Health Pregnancy

During pregnancy, if a mother is infected with cytomegalovirus, the virus in her blood crosses over the placenta and infects her fetus' blood. It is most common for a pregnant mother to receive exposure to cytomeglovirus... More »

www.reference.com Health Women's Health Pregnancy

According to Women's Health, decidual bleeding during pregnancy is caused by the coming apart of elements of the uterine lining and is common in the early stages of pregnancy before the placenta and lining have joined. B... More »

www.reference.com Health Women's Health Pregnancy