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  2. Montevideo units - Wikipedia

    en.wikipedia.org/wiki/Montevideo_units

    during the 10 minute period of measurement 3 contractions occurred; subtract the resting tone from the peak intensity of the contraction; add the 3 contractions together to get the MVUs; Montevideo units are calculated by obtaining the peak uterine pressure amplitude and subtracting the resting tone.

  3. Braxton Hicks contractions - Wikipedia

    en.wikipedia.org/wiki/Braxton_Hicks_contractions

    Braxton Hicks contractions, also known as practice contractions or false labor, are sporadic uterine contractions that may start around six weeks into a pregnancy. [1] However, they are usually felt in the second or third trimester of pregnancy .

  4. Estimated date of delivery - Wikipedia

    en.wikipedia.org/wiki/Estimated_date_of_delivery

    A median of 288 days (274 days from the date of ovulation) for first-time mothers and 283 days (269 days from the date of ovulation) for mothers with at least one previous pregnancy was found by a 1990 study of 114 white, private-care patients with uncomplicated pregnancies and spontaneous labor. The authors suggest that excluding pregnancies ...

  5. 5 Signs of Labor That Are Not False Alarms - AOL

    www.aol.com/news/5-signs-labor-not-false...

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  6. Uterine contraction - Wikipedia

    en.wikipedia.org/wiki/Uterine_contraction

    If implantation does not occur, the frequency of contractions remains low; but at menstruation the intensity increases dramatically to between 50 and 200 mmHg producing labor-like contractions. [3] These contractions are sometimes termed menstrual cramps, [4] although that term is also used for menstrual pain in general.

  7. Pre-labor - Wikipedia

    en.wikipedia.org/wiki/Pre-labor

    Pre-labor consists of the early signs before labor starts. It is the body's preparation for real labor. Prodromal labor has been misnamed as “false labor." Prodromal labor begins much as traditional labor but does not progress to the birth of the baby. Not everyone feels this stage of labor, though it does always occur.

  8. Vaginal delivery - Wikipedia

    en.wikipedia.org/wiki/Vaginal_delivery

    Second stage of labor starts when the cervix is dilated to 10 cm and finishes with the birth of the baby. This stage is characterized by strong contractions and active pushing by the mother. It can last from 20 minutes to 2 hours. [16] Third stage of labor starts after the birth of the baby and is finished when the placenta is delivered. [15]

  9. Pregnancy - Wikipedia

    en.wikipedia.org/wiki/Pregnancy

    However, spontaneous birth after 37 weeks is considered term and is not associated with the same risks of a preterm birth. [59] Planned birth before 39 weeks by caesarean section or labor induction, although "at term", results in an increased risk of complications. [64]