title: Parikh's formula to minimize errors in calculating expected date of delivery.
authors.forename: Rakesh M
authors.initials: RM
authors.lastname: Parikh
mesh_terms: D002910:Chronology as Topic; D036861:Delivery, Obstetric; D005260:Female; D005865:Gestational Age; D006801:Humans; D009774:Obstetrics / Q000379:methods*; D010060:Ovulation; D011237:Predictive Value of Tests; D011247:Pregnancy; D015203:Reproducibility of Results; D013997:Time Factors