When is expected week of childbirth

Print entire guide. Brexit Check what you need to do. Explore the topic Benefits and financial support for families Holidays, time off, sick leave, maternity and paternity leave Financial help if you have children Pregnancy and birth. Is this page useful?

Maybe Yes this page is useful No this page is not useful. Thank you for your feedback. An estimated due date can be calculated by following steps 1 through 3: First, determine the first day of your last menstrual period. Next, count back 3 calendar months from that date.

Lastly, add 1 year and 7 days to that date. There are special rules for some employee situations for example if they leave, become sick or their baby is born before the qualifying week. You must get proof of the pregnancy before you pay SMP. Midwives and doctors usually issue these 20 weeks before the due date. The employee should give you proof within 21 days of the SMP start date. You can agree to accept it later if you want.

You must keep records of the proof of pregnancy. You also need to make checks when you recruit and employ someone. You need to register with HMRC so you can pay tax and national insurance for your employees.

To help us improve GOV. It will take only 2 minutes to fill in. Pregnancy normally lasts from 37 weeks to 42 weeks from the first day of your last period. You need to know the first day of your last period to use this calculator.

If you do not know it or are unsure, speak to a midwife or GP. As part of your pregnancy antenatal care , your midwife will offer you a week scan that may give you a more accurate date for the birth of your baby.