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Hospital readmission rates are risk adjusted for a number of variables to allow more accurate comparisons across health systems. Risk adjustment is a mathematical method that attempts to account for differences in the patient population and the kinds of procedures performed at a particular hospital so that hospitals can be compared fairly.
0-30% 40-50% 60-70% 80+% Effacement translates to how 'thin' the cervix is. The cervix is normally approximately three centimetres long, as it prepares for labour and labour continues the cervix will efface until it is 'fully effaced' (paper-thin). Cervical dilation: Closed 1–2 cm 3–4 cm 5+cm Dilation is a measure of how open the cervical ...
To determine the AFI, doctors may use a four-quadrant technique, [2] when the deepest, unobstructed, vertical length of each pocket of fluid is measured in each quadrant and then added up to the others, [3] or the so-called "single deepest pocket" technique. [4] An AFI between 8 and 18 cm is considered normal. [5]
Pregnancy detection can be accomplished using one or more various pregnancy tests, [76] which detect hormones generated by the newly formed placenta, serving as biomarkers of pregnancy. [77] Blood and urine tests can detect pregnancy by 11 and 14 days, respectively, after fertilization. [78] [79] Blood pregnancy tests are more sensitive than ...
The Pearl Index, also called the Pearl rate, is the most common technique used in clinical trials for reporting the effectiveness of a birth control method. It is a very approximate measure of the number of unintended pregnancies in 100 woman-years of exposure that is simple to calculate, but has a number of methodological deficiencies.
281 days after LMP with a standard deviation of 13 days, was the result of a population-based study of 427,581 singleton births in Sweden. [16] 281 days after LMP for first-time mothers and 280 days for all others were the medians found by a 1995 American study of 1,970 spontaneous births. Standard deviation was 7–9 days.
Antibiotics may be given for those at risk of Group B streptococcus. [2] Delivery is generally indicated in those with complications, regardless of how far along in pregnancy. [2] About 8% of term pregnancies are complicated by PROM while about 30% of preterm births are complicated by PROM.
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.