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2. Pregnancy test - Wikipedia

   en.wikipedia.org/wiki/Pregnancy_test

   The two primary methods are testing for the female pregnancy hormone (human chorionic gonadotropin (hCG)) in blood or urine using a pregnancy test kit, and scanning with ultrasonography. [1] Testing blood for hCG results in the earliest detection of pregnancy. [2] Almost all pregnant women will have a positive urine pregnancy test one week ...

3. Prenatal testing - Wikipedia

   en.wikipedia.org/wiki/Prenatal_testing

   Second-trimester maternal serum screening (AFP screening, triple screen, quad screen, or penta screen) can check levels of alpha fetoprotein, β-hCG, inhibin-A, estriol, and h-hCG (hyperglycosolated hCG) in the woman's serum. The triple test measures serum levels of AFP, estriol, and beta-hCG, with a 70% sensitivity and 5% false-positive rate.

4. Human chorionic gonadotropin - Wikipedia

   en.wikipedia.org/wiki/Human_chorionic_gonadotropin

   Human chorionic gonadotropin is a glycoprotein composed of 237 amino acids with a molecular mass of 36.7 kDa, approximately 14.5kDa αhCG and 22.2kDa βhCG. [4]It is heterodimeric, with an α (alpha) subunit identical to that of luteinizing hormone (LH), follicle-stimulating hormone (FSH), thyroid-stimulating hormone (TSH), and a β (beta) subunit that is unique to hCG.

5. *This* Is The Best Time Of Day To Take A Pregnancy Test For ...

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   Pregnancy Test For Early Result. Some tests only offer a positive or negative result, but Wondfo has an invalid option to let you know if you need a redo—this is way better than receiving a ...

6. Couple documents how difficult negative test results can be ...

   www.aol.com/couple-documents-difficult-negative...

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7. Fetal fibronectin - Wikipedia

   en.wikipedia.org/wiki/Fetal_fibronectin

   Therefore, a negative fFN test is a very strong indicator that preterm birth is not likely to occur within the next 7 days. [5] A 2019 Cochrane Review found that while management based on the results of fFN appeared to reduce preterm birth before 37 weeks, the quality of evidence was low. [7] The test is easily performed and is usually painless.