Question:is it possible to know the exact day of conception
Answer: Knowing the exact day of conceptionis a difficult thing. Sperm can live in a woman's body for up to five days, making it impossible to calculate exactly when conception occurred. It is not a fine science. ... The due date is normally set at 40 weeks after the firstday of the woman's last period.
Question:How to know my date of conception from my ultrasound report...if its an unplanned baby??
Answer: Hi dear,by checking your baby's growth and gestational sac, you doctor can predict your date of conception but its not confirmed one. Your weeks of pregnancy depends on the date of your last menstrual period.