Pregnant how many weeks

It may be that you have irregular periods and your early ultrasound dating was off, or that your first ultrasound was in the second trimester.

It could also be because your fundal height is abnormal, or your levels of alpha-fetoprotein AFP , a protein made by the baby, are outside the usual range. Talk to your practitioner if you have any questions or concerns.

The educational health content on What To Expect is reviewed by our medical review board and team of experts to be up-to-date and in line with the latest evidence-based medical information and accepted health guidelines, including the medically reviewed What to Expect books by Heidi Murkoff.

This educational content is not medical or diagnostic advice. Use of this site is subject to our terms of use and privacy policy. Registry Builder New. Due Date Calculator When is your baby due? Use this pregnancy calculator to find your due date based on the date of your last menstrual period, conception date, IVF 3-day or 5-day transfer date or date of your last ultrasound.

Calculation Method. The first day of your last period. Your Guide to the Second Trimester of Pregnancy. Your Guide to the Third Trimester of Pregnancy. How to Calculate Your Due Date. View Sources. March of Dimes, What is Full Term? Week by Week. Pregnancy Groups. First Trimester. Jump to Your Week of Pregnancy.

Pregnancy Week. Signs of Labor. Please whitelist our site to get all the best deals and offers from our partners. Sleeping Positions During Pregnancy. Follow us on. Pregnancy requires different nutritional considerations than a person would have in a non-pregnant state due to increased energy and specific micronutrient requirements.

Certain vitamins such as Vitamin B9, also known as folic acid, can help decrease the risk of certain defects, while other nutrients such as DHA omega-3 that is necessary for proper brain and retinal development cannot be produced efficiently by infants, and can only be obtained through the placenta during pregnancy, or in breast milk after birth.

There are many other micronutrients that aid proper fetal development, and there exist myriad sources of information on what pregnant women should or shouldn't eat or do. All of the information can be different to sift through and can vary from person to person. Fitness and Health Calculators. Financial Fitness and Health Math Other.

Your Due Date:. Page last reviewed: 29 April Next review due: 29 April Home Pregnancy Finding out you're pregnant Back to Finding out you're pregnant. Due date calculator. The calculator on this page can help you work out when you might expect your baby to arrive.