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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.
An ultrasound showing an embryo measured to have a crown-rump length of 1.67 cm and estimated to have a gestational age of 8 weeks and 1 day. Crown-rump length (CRL) is the measurement of the length of human embryos and fetuses from the top of the head (crown) to the bottom of the buttocks (rump).
During pregnancy, the growth rate of the fetus can be assessed by measuring the fundal height. Some pathological states include: Transvaginal ultrasonography showing a uterine fluid accumulation in a postmenopausal woman. Accumulation of fluids other than blood or of unknown constitution.
The midwife does regular assessments for uterine contraction, fundal height, [17] and vaginal bleeding. [18] Throughout labor and delivery the mother's vital signs (temperature, blood pressure, and pulse) are closely monitored and her fluid intake and output are measured. The midwife also monitors the baby's pulse rate, palpates the mother's ...
Montevideo units are a method of measuring uterine performance during labor. They were created in 1949 by two physicians, Roberto Caldeyro-Barcia and Hermogenes Alvarez, from Montevideo, Uruguay. They are exactly equal to 1 mmHg within 10 minutes.
The condition is defined by birth weight and/or length. [citation needed]Intrauterine growth restriction is generally diagnosed by measuring the mother's uterus, with the fundal height being less than it should be for that stage of the pregnancy.
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The fetal heart rate and the activity of the uterine muscle are detected by two transducers placed on the mother's abdomen, with one above the fetal heart to monitor heart rate, and the other at the fundus of the uterus to measure frequency of contractions.