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  2. Urachus - Wikipedia

    en.wikipedia.org/wiki/Urachus

    The urachus forms from the distal end of the allantois in the embryo, and develops into a closed cord between the base of the bladder, and the navel. [1] It drains the bladder of the fetus that joins and runs within the umbilical cord . [ 2 ]

  3. Median umbilical ligament - Wikipedia

    en.wikipedia.org/wiki/Median_umbilical_ligament

    If the urachus fails to close during fetal life, it can result in anatomical abnormalities such as a urachal cyst, urachal fistula, urachal diverticulum or urachal sinus. In very rare cases the urachus can fail to close fully. This can lead to a condition known as a patent urachus (also urachal fistula). Although it is mainly immediately ...

  4. Urachal fistula - Wikipedia

    en.wikipedia.org/wiki/Urachal_fistula

    A urachal fistula is a congenital disorder caused by the persistence of the allantois (later, urachus), the structure that connects an embryo's bladder to the yolk sac. Normally, the urachus closes off to become the median umbilical ligament; however, if it remains open, urine can drain from the bladder to an opening by the umbilicus. [1]

  5. Urachal cyst - Wikipedia

    en.wikipedia.org/wiki/Urachal_cyst

    A urachal cyst is a sinus remaining from the allantois during embryogenesis.It is a cyst which occurs in the remnants between the umbilicus and bladder. [1] This is a type of cyst occurring in a persistent portion of the urachus, presenting as an extraperitoneal mass in the umbilical region.

  6. Position (obstetrics) - Wikipedia

    en.wikipedia.org/wiki/Position_(obstetrics)

    In obstetrics, position is the orientation of the fetus in the womb, identified by the location of the presenting part of the fetus relative to the pelvis of the mother. Conventionally, it is the position assumed by the fetus before the process of birth, as the fetus assumes various positions and postures during the course of childbirth .

  7. Umbilical cord prolapse - Wikipedia

    en.wikipedia.org/wiki/Umbilical_cord_prolapse

    Manual elevation of the presenting fetal part. [1] Repositioning of the mother to be in the knee-chest position or Trendelenburg position (head down with feet elevated), lying on left side is usually preferred. [1] Filling of the bladder using a foley catheter can help elevate the presenting fetal part and lift it off the cord. [12]

  8. Allantois - Wikipedia

    en.wikipedia.org/wiki/Allantois

    During fetal development, the allantois becomes the urachus, a duct between the bladder and the yolk sac. A patent allantois can result in a urachal cyst. Because the allantois can be cultured ex vivo, it has utility as a model system for studying the formation of blood vessels as well as considerable usefulness in drug screening.

  9. Signs and symptoms of pregnancy - Wikipedia

    en.wikipedia.org/.../Signs_and_symptoms_of_pregnancy

    The exact cause of morning sickness remains unknown. Nausea and vomiting in pregnancy is typically mild and self-limited, resolving on its own by the 14th week of pregnancy. Other causes should also be ruled out when considering treatment. Initial treatment is typically conservative, and may include changes to diet and emotional support.