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  2. Triple test - Wikipedia

    en.wikipedia.org/wiki/Triple_test

    The triple test, also called triple screen, the Kettering test or the Bart's test, is an investigation performed during pregnancy in the second trimester to classify a patient as either high-risk or low-risk for chromosomal abnormalities (and neural tube defects). The term "multiple-marker screening test" is sometimes used instead.

  3. Prenatal testing - Wikipedia

    en.wikipedia.org/wiki/Prenatal_testing

    There are three purposes of prenatal diagnosis: (1) to enable timely medical or surgical treatment of a condition before or after birth, (2) to give the parents the chance to abort a fetus with the diagnosed condition, and (3) to give parents the chance to prepare psychologically, socially, financially, and medically for a baby with a health problem or disability, or for the likelihood of a ...

  4. 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 ...

  5. 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.

  6. Evaluation of binary classifiers - Wikipedia

    en.wikipedia.org/wiki/Evaluation_of_binary...

    The following example of a pregnancy test will make use of such an indicator. Modern pregnancy tests do not use the pregnancy itself to determine pregnancy status; rather, human chorionic gonadotropin is used, or hCG, present in the urine of gravid females, as a surrogate marker to indicate that a woman is pregnant.

  7. Gravidity and parity - Wikipedia

    en.wikipedia.org/wiki/Gravidity_and_parity

    The obstetric history of a female who has had four pregnancies, one of which was a miscarriage before 20 weeks, would be noted in the GPA system as G 4 P 3 A 1 and in the GP system as G 4 P 3. The obstetric history of a female who has had one pregnancy of twins with successful outcomes would be noted as G 1 P 1+1. [16]

  8. 'Due dates are just a suggestion': Ashley Graham shares full ...

    www.aol.com/lifestyle/due-dates-just-suggestion...

    Fans of Ashley Graham expressed concern after the supermodel shared a full-term pregnancy photo. Is it safe to carry twins to 40 weeks? And how long is the average twin pregnancy? Experts weigh in.

  9. Noninvasive prenatal testing - Wikipedia

    en.wikipedia.org/wiki/Noninvasive_prenatal_testing

    [1] [2] [3] This testing analyzes small DNA fragments that circulate in the blood of a pregnant woman. [4] Unlike most DNA found in the nucleus of a cell, these fragments are not found within the cells, instead they are free-floating, and so are called cell free fetal DNA (cffDNA). These fragments usually contain less than 200 DNA building ...