Reliability and validity of last menstrual period for gestational age estimation in a low-to-middle-income setting.
Shelley MacaulayEckhart J BuchmannProfessor David DungerShane A NorrisPublished in: The journal of obstetrics and gynaecology research (2018)
In the absence of ultrasound, LMP is a reliable alternative for gestational age dating during early pregnancy. However, it is not sensitive in identifying late- and post-term pregnancies and should not be relied upon to make clinical decisions regarding elective cesarean section or induction of labor for supposed prolonged pregnancies.