Calculate due date dating scan dating abroad dating
The first step is to know the first day of your last menstrual period and the length of your menstrual cycle.Enter the date of the first day of the last menstrual period and your average cycle length.
There is no perfect system for estimating an exact conception date unless intercourse happened only once between menstrual cycles.
Alternatively, you can also enter the day of ovulation, the weeks and days of the pregnancy on ultrasound, or the IVF egg or embryo transfer date.
The due date calculator will then calculate the exact date the baby will be due, as well as other important events such as the date of implantation, when the baby will start moving and dates for important tests like amniocentesis, ultrasound, or glucose screen. It is the first day that your last menstrual cycle began. If you don't know the exact date of ovulation, then use our ovulation calculator to the approximate first day of your last menstrual period in a 28-day cycle.
However, if there is no menstrual cycle between the bouts of unprotected sex, a conception calculator will not effectively reveal paternity.
Only a paternity test will reveal the true father of the child in this case.
Read our report on the 13 best pregnancy i Phone and Android apps of the year here. Very few women actually deliver on their due date, so, while it’s important to have an idea of when your baby will be born, try not to get too attached to the exact date.