menstrual or ultrasound

Ganito po to calculate your baby’s due date, date of the first day of your last menstration period, minus 3 months, then add 7 days. Example Lastday if mens.period = Jan. 1 2019 January minus 3 months = October Add 7 days po sa last mens. period = 1 + 7 = 8 Due date = October 8, 2019 Estimation lang po yan. Considered full term na pag37-40weeks. Anytime po jan pwede na kayo manganak. Minsan di rin po nasusunod yung due date.