Comparison of pregnancy dating by last menstrual period, ultrasound scanning, and their combination. Sexydatingwomen for the postpartum period. Br J Obstet Gynaecol ; Due date, secure,also known birth date codes used for an abnormal interest in clinical embryology starting in the initial age. Int J Gynaecol Obstet ;
The best available data support adjusting the EDD of a pregnancy if the first ultrasonography in the pregnancy is performed in the third trimester and suggests a discrepancy in gestational dating of more than 21 days.
Women's Health Care Physicians
Predicting delivery date by ultrasound and last menstrual period in early gestation. American College of Obstetricians and Gynecologists. Accurate dating of pregnancy is important to improve outcomes and is a research and public health imperative. As soon as data from the last menstrual period, the first accurate ultrasound examination, or both are obtained, the gestational age and the estimated due date EDD should be determined, discussed with the patient, and documented clearly in the medical record. International journal of gynaecology and obstetrics: Other biometric variables, such as additional long bones and the transverse cerebellar diameter, also can play a role. This Committee Opinion outlines a standardized approach to estimate gestational age and the anticipated due date.