Construction of obstetric tables for pregnancy diagnosis. – E. O. Effanga and E. J. Akpabio
November 28, 2020Journals Vol1. No1
ABSTRACT
Obstetric table shows the time interval within which a pregnant woman is expected to put to birth. In this paper, we construct obsteric tables at 95% and 99% confidence levels. From our tables, we find out that one can be 95% confident that the expected date of delivery (EDD) falls between the 271th and 277th day after the first day of the last menstrual period (LMP) and 99% confident that EDD falls between the 270th and 278th day after the first day of LMP. That is, P {271 < μ < 277} = 0.95 and P {270 < μ < 278} = 0.99.
Keywords:Last menstrual period (LMP), Expected date of delivery (EDD), Confidence level, obstetric table.