Category: F

  • Fetal heart rate monitoring

    The techniques used to determine the heart rate of the fetus. They include auscultation, use of an electronic device, or Doppler ultrasound.  

  • Fetal echogenic bowel

    An abnormality of the fetal bowel, sometimes seen on prenatal ultrasound, in which the bowel has a brightness similar to that seen in bone. Most instances of echogenic bowel Eire not associated with any fetal or neonatal disease, but some are seen in diseases and conditions such as aneuploidy, cystic ‘ fibrosis, cytomegalovirus infection, and…

  • Fetal development

    The growth and maturation of the fetus in utero. This is divided into three periods: the preembryonic period begins with conception and ends on gestational day 14; the embryonic period encompasses gestational weeks 3 through 8; and the remainder of the pregnancy is known as the fetal period. Body organs and systems arise from three…

  • Fetal assessment

    Estimating the current status of the fetus.  

  • Fetal activity diary

    A periodic record used to count and compare fetal movements at different times. The woman may record the number of fetal movements in a given time (e.g., 1 hr), the average number of movements occurring during the same length of time at different times during the day, or the amount of time needed for a…

  • Ferrous fumarate

    An iron preparation used to treat anemias. An oral preparation of iron is administered to treat iron-deficiency anemia. This preparation contains Ferrous fumarate, which may lead to adverse effects such as diarrhea, constipation, and abdominal pain.  

  • Ferroprotein

    A protein combined with an iron-containing radical. Ferroproteins are important oxygen-transferring enzymes (e.g., nicotinamide adenine dinucleotide dehydrogenase, cytochrome oxidase).  

  • Fern pattern ferning

    The palm leaf (arborization) pattern that mid-cycle cervical mucus assumes when it is placed in a thin layer on a glass slide and allowed to dry. The pattern, caused by crystallization of the mucus as it dries, depends on the concentration of electrolytes, especially sodium chloride, which in turn depends on the amount of estrogen…

  • Fermentation tube

    A U-shaped culture tube open at one end. If gas is produced by the bacteria cultured, the level of fluid decreases in the side of the tube with the closed end.  

  • Feral

    Existing in a wild, untamed, and undomesticated state.