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  2. 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).

  3. Hysterotomy - Wikipedia

    en.wikipedia.org/wiki/Hysterotomy

    Hysterotomy is a technique used during fetal surgery to access the fetus in the pregnant uterus in order to treat a birth defect such as spina bifida. [13] A standard hysterotomy remains the gold-standard for the closure of a fetal spina bifida because it is the safest and most effective when compared to mini-hysterectomies and a percutaneous ...

  4. Anthropometric measurement of the developing fetus - Wikipedia

    en.wikipedia.org/wiki/Anthropometric_measurement...

    Post 12 weeks the kidneys measure more than the adrenal glands. However, the Adrenal gland is a larger organ in the fetus than the adult. The same group of researchers further observed that with the increase of fetal age, the adrenal glands also weigh more as observed by the research group in 90 human fetuses.

  5. Cephalopelvic disproportion - Wikipedia

    en.wikipedia.org/wiki/Cephalopelvic_disproportion

    Use of ultrasound to measure the size of the fetus in the womb is controversial, as these methods are often inaccurate and may lead to unnecessary caesarian section; a trial of labour is often recommended even if size of the fetus is estimated to be large. [2] Theoretically, pelvimetry may identify cephalo-pelvic disproportion. However, a woman ...

  6. Timeline of human prenatal development - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_human_prenatal...

    The fetus reaches a length of about 40–48 cm (16–19 in). The fetus weighs about 2.5 to 3 kg (6 lb 10 oz)to 6 lb 12 oz). Lanugo begins to disappear. Body fat increases. Fingernails reach the end of the fingertips. A baby born at 36 weeks has a high chance of survival, but may require medical interventions. Fetus at 38 weeks after fertilization.

  7. Maternal physiological changes in pregnancy - Wikipedia

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

    According to a study conducted by Whitcome, et al., lumbar lordosis can increase from an angle of 32 degrees at 0% fetal mass (i.e. non-pregnant women or very early in pregnancy) to 50 degrees at 100% fetal mass (very late in pregnancy). Postpartum, the angle of the lordosis declines and can reach the angle prior to pregnancy.

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  9. Leopold's maneuvers - Wikipedia

    en.wikipedia.org/wiki/Leopold's_maneuvers

    In obstetrics, Leopold maneuvers are a common and systematic way to determine the position of a fetus inside the woman's uterus. They are named after the gynecologist Christian Gerhard Leopold. They are also used to estimate term fetal weight. [1] The maneuvers consist of four distinct actions, each helping to determine the position of the fetus.