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  2. Flat-chested kitten syndrome - Wikipedia

    en.wikipedia.org/wiki/Flat-chested_kitten_syndrome

    Kittens with FCKS may die (or have to be euthanised) very soon after onset. There are two points at which breeders report kittens that were otherwise doing well deteriorating and dying: at 10 days of age and at 3 weeks. Generally, if the kitten is still flat, but survives the 3-week developmental stage, its prognosis is good.

  3. Crown-rump length - Wikipedia

    en.wikipedia.org/wiki/Crown-rump_length

    An ultrasound showing an embryo measured to have a crown-rump length of 1.67 cm and estimated to have a gestational age of 8 weeks and 1 day. Crown-rump length (CRL) is the measurement of the length of human embryos and fetuses from the top of the head (crown) to the bottom of the buttocks (rump). It is typically determined from ultrasound ...

  4. Obstetric ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Obstetric_ultrasonography

    3-032, 3-05d. [ edit on Wikidata] Obstetric ultrasonography, or prenatal ultrasound, is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus (womb). The procedure is a standard part of prenatal care in many countries, as it can provide a ...

  5. Fetal viability - Wikipedia

    en.wikipedia.org/wiki/Fetal_viability

    Fetal viability is the ability of a human fetus to survive outside the uterus. Viability depends upon factors such as birth weight, gestational age, and the availability of advanced medical care. In low-income countries, more than 90% of extremely preterm newborns (less than 28 weeks gestational age) die due to a lack of said medical care; in ...

  6. Maternal physiological changes in pregnancy - Wikipedia

    en.wikipedia.org/wiki/Maternal_physiological...

    Uterine Compression of IVC and Pelvic Veins. Displacement of PMI by Uterus. Uterine enlargement beyond 20 weeks' size can compress the inferior vena cava, which can markedly decrease the return of blood into the heart or preload. As a result, healthy pregnancy patients in a supine position or prolonged standing can experience symptoms of ...

  7. Small for gestational age - Wikipedia

    en.wikipedia.org/wiki/Small_for_gestational_age

    A related term is low birth weight, defined as an infant with a birth weight (that is, mass at the time of birth [7]) of less than 2500 g (5 lb 8 oz), regardless of gestational age at the time of birth. Other related terms include "very low birth weight", which is less than 1500 g, and "extremely low birth weight", which is less than 1000 g. [8]

  8. Human embryonic development - Wikipedia

    en.wikipedia.org/wiki/Human_embryonic_development

    Human embryology is the study of this development during the first eight weeks after fertilization. The normal period of gestation (pregnancy) is about nine months or 40 weeks. The germinal stage refers to the time from fertilization through the development of the early embryo until implantation is completed in the uterus.

  9. Missing Tabby Cat Survives 8 Weeks in Storm Drain ... - AOL

    www.aol.com/missing-tabby-cat-survives-8...

    In this Tabby Cat’s case, a life-saving tip arrived just in the nick of time. See how neighborhood children helped reunite a missing feline with his family in a video from September 23: View ...