Conceive Calendar Due Date. Use the pregnancy due date calculator to work out roughly when your baby is due to be born, working from the first day of your last period. Use our pregnancy calculator by plugging in the date of your last period, the date you conceived if you know it, the timing of your ivf transfer, or your first ultrasound date.

Use our pregnancy calculator by plugging in the date of your last period, the date you conceived if you know it, the timing of your ivf transfer, or your first ultrasound date. Use our conception date calculator to find out the most likely date you conceived your little bundle.