Pacora, P., Buzzio, Y., Ingar, W., & Santibáñez, Álvaro. (2015). Head circumference healthy male fetus after 40 weeks is greater than before week 40. The Peruvian Journal of Gynecology and Obstetrics, 51(4), 225–228. https://doi.org/10.31403/rpgo.v51i373