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The number of these receptors increases during pregnancy and with labor. There are also more in the fundus than in the lower uterine segment. [22] Oxytocin has a quick onset of action, within a few minutes, but also loses effectiveness quickly because of a short half-life. The medicine is given in a rapid infusion and may cause hypotension.
Hypotension [5] [6] [7] Acutely severe hemorrhage [5] [7] [6] Occurs during labor or up to 30 minutes after labor [5] In order to diagnose an amniotic fluid embolism, an arterial blood gas (ABG) must be taken immediately to determine the acid-base status. The ABG should demonstrate a low PH and increased PCO2 levels consistent with a ...
Uterine Tachysystole is a condition of excessively frequent uterine contractions during pregnancy. [1] It is most often seen in induced or augmented labor, though it can also occur during spontaneous labor, [2] and this may result in fetal hypoxia and acidosis.
Intrauterine hypoxia can be attributed to maternal, placental, or fetal conditions. [12] Kingdom and Kaufmann classifies three categories for the origin of fetal hypoxia: 1) pre-placental (both mother and fetus are hypoxic), 2) utero-placental (mother is normal but placenta and fetus is hypoxic), 3) post-placental (only fetus is hypoxic).
Hypotension, or low blood pressure, is also a common side effect due to oxytocin's ability to relax smooth muscle of vessels. In comparison to women in spontaneous labor, women in induced labor on oxytocin experience a longer latent phase, however the duration of labor after reaching active labor (when the cervix has reached 6 cm), the duration ...
Fetal distress, also known as non-reassuring fetal status, is a condition during pregnancy or labor in which the fetus shows signs of inadequate oxygenation. [1] Due to its imprecision, the term "fetal distress" has fallen out of use in American obstetrics. [2] [1] [3] The term "non-reassuring fetal status" has largely replaced it. [4]
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A more important indicator is breast changes during the course of pregnancy. If a woman does not experience any nipple or breast changes during pregnancy this is an indication she may have a rare condition such as breast hypoplasia which could lead to more difficulty breastfeeding. Women whose breasts are simply smaller but who have experienced ...