Pregnancy Calculator

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

Days passed: 189
Days remained: 91
Week: 27
Calculated date of birth: after 13 weeks

27 weeks pregnant
Length: 40.5 sm
Weight: 1164 gr

From this week baby’s chances to survive in the case of premature birth are 85%. So the child has a real vitality. However it’s still 13 weeks till full gestation. Even stroking the stomach can make your child happy. He is a little bit cramped in his house. It has a visual perception and dreams to see bright colors of the great outside world.

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.