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Illustration of fundal height at various points during pregnancy. Fundal height, or McDonald's rule, is a measure of the size of the uterus used to assess fetal growth and development during pregnancy. It is measured from the top of the mother's uterus to the top of the mother's pubic symphysis.
Illustration of fundal height at various points during pregnancy. Some degree of weight gain is expected during pregnancy. The enlarging uterus, growing fetus, placenta, amniotic fluid, normal increase in body fat, and increase in water retention all contribute weight gain during pregnancy. The amount of weight gain can vary from 5 pounds (2.3 ...
Peak uterine pressure amplitudes were 50 mmHg; 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.
Reed says the size of the baby and the uterus and the amount of amniotic fluid, which cushions the baby in the amniotic sac, can account for a larger or smaller bump, along with one’s height and ...
During pregnancy, the uterine glands and blood vessels in the endometrium further increase in size and number and form the decidua. Vascular spaces fuse and become interconnected, forming the placenta , which supplies oxygen and nutrition to the embryo and fetus .
The uterus, the muscular organ that holds the developing fetus, can expand up to 20 times its normal size during pregnancy. Head engagement , also called "lightening" or "dropping", occurs as the fetal head descends into a cephalic presentation .
Ultrasound image of the foetus at 12 weeks of pregnancy in a sagittal scan. Measurements of fetal Crown Rump Length (CRL). The embryo and fetus float in the amniotic fluid inside the uterus of the mother usually in a curved posture resembling the letter C. The measurement can actually vary slightly if the fetus is temporarily stretching ...
The pelvic exam during pregnancy is similar to the exam for non-pregnant women; however, more attention is given to the uterus and cervix. The size of the uterus is assessed at the initial visit, and the growth of the uterus is assessed at subsequent visits. In the first trimester the uterine size can be assessed on bimanual examination ...