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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. Fetal circulation - Wikipedia

    en.wikipedia.org/wiki/Fetal_circulation

    The blood flow through the umbilical cord is approximately 35 mL/min at 20 weeks, and 240 mL/min at 40 weeks of gestation. [18] Adapted to the weight of the fetus, this corresponds to 115 mL/min/kg at 20 weeks and 64 mL/min/kg at 40 weeks. [18]

  4. Umbilical cord - Wikipedia

    en.wikipedia.org/wiki/Umbilical_cord

    The embryo is surrounded by the thin membranes of the amniotic sac, the umbilical cord is seen in the center, attaching the embryo to the placenta. The umbilical cord develops from and contains remnants of the yolk sac and allantois. It forms by the fifth week of development, replacing the yolk sac as the source of nutrients for the embryo. [2]

  5. Pregnancy - Wikipedia

    en.wikipedia.org/wiki/Pregnancy

    It ends at week 12 (11 weeks + 6 days of GA) [4] or end of week 14 (13 weeks + 6 days ... The umbilical cord is the connecting cord from the embryo or fetus to the ...

  6. Deferred umbilical cord clamping reduces premature baby death ...

    www.aol.com/deferred-umbilical-cord-clamping...

    In a subgroup of premature babies born before 32 weeks of pregnancy, 44.9% (449/1001) with immediate cord clamping experienced hypothermia after birth, compared to 51.2% (509/994) of those with ...

  7. Obstetric ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Obstetric_ultrasonography

    In the second trimester, a standard ultrasound exam typically includes: [12] Fetal number, including number of amnionic sacs and chorionic sacs for multiple gestations; Fetal cardiac activity; Fetal position relative to the uterus and cervix; Location and appearance of the placenta, including site of umbilical cord insertion when possible

  8. Anomaly scan - Wikipedia

    en.wikipedia.org/wiki/Anomaly_scan

    Anatomy scan image of a human placenta and umbilical cord (colour Doppler rendering) showing central placement of the cord in the placenta and three vessels in the cord, which is the normal physiology. A standard anatomy scan typically includes: [4] Fetal number, including number of amnionic sacs and chorionic sacs for multiple gestations

  9. Why are you suddenly seeing umbilical cords all over social ...

    www.aol.com/news/umbilical-cord-keepsakes-going...

    While umbilical cord keepsakes are going viral on social platforms like TikTok, the preservation practice is not new. Carmen Calvo, 43, of San Antonio, Texas, has been creating keepsakes from ...