A) oligohydramnios.
Among the listed condition, the only condition that requires the use of electronic fetal monitoring to diagnose the abnormal condition, is the above-mentioned condition. Whereas other condition listed in the option not really requires the use of these device, hence the above-mentioned condition is the appropriate answer for the given question.
Oligohydramnios is a pregnancy condition in which there is less amniotic fluid than would be normal for the gestational age of the baby. A water-like substance called amniotic fluid envelops your unborn child in your uterus. It cushions your baby's motions while they are in the womb and guards against infection and umbilical cord compression. Additionally, amniotic fluid maintains your baby's temperature and aids in the development of their respiratory and digestive systems.
Your baby may experience health issues if there is insufficient amniotic fluid, which may also indicate an underlying ailment. These problems can impair your baby's growth or make labor and delivery more difficult.
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