If my last menstruation was last feb 17... how many weeks am i on the way now ?

Here : Here is a simple link to allow you to figure this out. http://www.tryingtoconceive.com/eddc.htm however, it is important to get early prenatal care and discuss this with your prenatal care provider. Sometimes an early ultrasound is recommended to confirm the dates of your pregnancy.

Pregnancy: Would need to know the first day of your last menstrual period to obtain an estimate. It that is the date that you provided than the due date estimate is: sunday, november 24, 2013 & you would be approximately 28 weeks along in your pregnancy. Are you receiving prenatal care? If not, this is essential.