Bpd ultrasound dating table


In patients who have had ovulation induction, calculate GA from the day of human chorionic gonadotropin administration.The size of the uterus can be assessed by pelvic examination or by abdominal palpation.The expected date of delivery (EDD) is one of the earliest pieces of information a pregnant woman requests once pregnancy is confirmed.In order to calculate the EDD, the practitioner must know the median length of normal pregnancy and the last menstrual period (LMP) or ultrasonographic estimation of gestational age (GA).



Infants born before 37 completed weeks' gestation are deemed preterm, whereas those born after 42 weeks' are considered post-term.The 95% confidence interval of menstrual dates is -27 to 9 days.To further complicate matters, 10-45% of pregnant women cannot provide useful information about their LMP, and 18% of women with certain menstrual dates have significant differences between menstrual and ultrasonographic dating.The quality of these wheels varies, but in general, the larger wheels yield better results.


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