Pregnancy Calculator

To calculate all data about your pregnancy, enter the 1st day of your last menstrual cycle.

Days passed: 140
Days remained: 140
Week: 20
Calculated date of birth: after 20 weeks

20 weeks pregnant
Length: 28.1 sm
Weight: 434 gr

18 weeks have passed after the insemination, and your stomach is already visible. Your waist is not a waist any more, tummy looks like a ball. The upper edge of the uterus – a little below the navel. Now you know whenever your child sleeps or being awakened. With a stethoscope you can finally hear the baby’s heart. Have you already think about the name?

Select the week of pregnancy to see more information


Normal Pregnancy lasts about 40 weeks since the 1st day of your last menstrual cycle. Have you been already confused? Forget about calculations in your mind and notes in diaries – use our pregnancy calculator to find out the date of birth of your baby.

Using the Pregnancy Calculator helps to calculate the probable conception date, to estimate how long have you been pregnant, to know the fetal age and much more.

All you need is to enter the date of your last menstrual cycle and the amount of menstrual days in the data field, and push the button. On average a menstrual period lasts during 28 days, but it can differ from 22 to 44 days.