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  2. Umbilical cord - Wikipedia

    en.wikipedia.org/wiki/Umbilical_cord

    The length of the umbilical cord is approximately equal to the crown-rump length of the fetus throughout pregnancy. The umbilical cord in a full term neonate is usually about 50 centimeters (20 in) long and about 2 centimeters (0.75 in) in diameter. This diameter decreases rapidly within the placenta.

  3. Velamentous cord insertion - Wikipedia

    en.wikipedia.org/wiki/Velamentous_cord_insertion

    In velamentous cord insertion, the vessels of the umbilical cord are improperly inserted in the chorioamniotic membrane, and hence the vessels traverse between the amnion and the chorion towards the placenta. [1] [11] Without Wharton's jelly protecting the vessels, the exposed vessels are susceptible to compression and rupture. [1] [9]

  4. Childbirth - Wikipedia

    en.wikipedia.org/wiki/Childbirth

    One example of this is the belief in the Chillihuani that if a knife or scissors are used for cutting the umbilical cord, it will cause for the child to go through clothes very quickly. To prevent this, a jagged ceramic tile is used to cut the umbilical cord. [ 191 ]

  5. Deferred umbilical cord clamping reduces premature baby ... - AOL

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

    Waiting at least two minutes before clamping the umbilical cord of a premature baby may reduce the risk of death by at least a third, new research suggests. ... almost 13 million babies are born ...

  6. Placenta - Wikipedia

    en.wikipedia.org/wiki/Placenta

    It has a dark reddish-blue or crimson color. It connects to the fetus by an umbilical cord of approximately 55–60 cm (22–24 inch) in length, which contains two umbilical arteries and one umbilical vein. [12] The umbilical cord inserts into the chorionic plate (has an eccentric attachment). Vessels branch out over the surface of the placenta ...

  7. Fetal circulation - Wikipedia

    en.wikipedia.org/wiki/Fetal_circulation

    The fetal circulation is composed of the placenta, umbilical blood vessels encapsulated by the umbilical cord, heart and systemic blood vessels. A major difference between the fetal circulation and postnatal circulation is that the lungs are not used during the fetal stage resulting in the presence of shunts to move oxygenated blood and ...

  8. Single umbilical artery - Wikipedia

    en.wikipedia.org/wiki/Single_umbilical_artery

    Occasionally, during pregnancy, there is a single umbilical artery (SUA) present in the umbilical cord, as opposed to the usual two. [1] This is sometimes also called a two-vessel umbilical cord, or two-vessel cord. Approximately, this affects between 1 in 100 and 1 in 500 pregnancies, making it the most common umbilical abnormality.

  9. 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).