Domestic pregnancy sample compared to the fundamental-of-care and attention ultrasound dating on research of pregnancy duration

Domestic pregnancy sample compared to the fundamental-of-care and attention ultrasound dating on research of pregnancy duration 21. Creinin M D, Keverline S, Meyn L An excellent. How typical was normal? A diagnosis out-of period frequency. Birth prevention. 2004; 70 :289–292. [PubMed] [Google College student] 22. Geirsson Roentgen T, Busby-Earle Roentgen Meters. Certain times may not…