introduction: estimation of gestational age is an essential component of prenatal care. gestational age is estimated by last menopausal period, fundal height and ultrasonography. serial measurment of fundal height and comparison with lmp predicts the g.a more accurately. since nowadays, ultrasonography is used more frequently during pregnancy, patients have to bear more expenses. but we can use...

the Epidemiology of normal pregnancies with unknown last menstrual period (LMP) was studied in 1192 singleton  pregnancies.the LMP was unknown in 240(20.3%) pregnancies.unknown LMP is associated with high rates of low birth weight and all low socio-economic and socio-demographic status.such characteristics are also associated with a high rate of preterm deliveries.any possible bias introduced i...

BACKGROUND The requirement for ultrasound to establish gestational age among women seeking abortion can be a barrier to access. Last menstrual period dating without clinical examination should be a reasonable alternative among selected women, and if reliable, can be task-shared with non-clinicians. This study determines the accuracy of gestational age estimation using last menstrual period (LMP...

Abstract Background Nausea and vomiting are experienced by most women during pregnancy. The onset is usually related to Last Menstrual Period (LMP) the date of which often unreliable. This study describes time nausea symptoms from ovulation compares this last menstrual period Methods Prospective cohort seeking become pregnant, recruited 12 May 2014 25 November 2016, in United Kingdom. Daily dia...