Of the weight loss surgeries currently available, gastric sleeve, or sleeve gastrectomy, is a safe choice with less side effects than other types that transitions well into later surgeries if need be. But how does this popular procedure work? Gastric Sleeve Basics. A sleeve gastrectomy is performed laparoscopically using a small incision.
How to Calculate Gestational Age. 1  Find the date of the first day of your last menstrual period on a calendar. 2  Count the number of full weeks that have passed from the date in Step #1 to today's date. For example, if your last menstrual period started on July 1st and today's date is August 1st, the gestational age is 4 weeks.
As a result, most people, including health professionals, will date your pregnancy based on your LMP (last menstrual period) instead (NHS 2013a) . To work out how many weeks pregnant you are by this measure, try to remember when your last period started. The first day of your LMP counts as day one of your pregnancy.You can find out your estimated due date using our handy due date calculator. Some women prefer to count their pregnancy from the day that they were likely to be ovulating during the month in which they became pregnant.This will give you an estimated date of conception, which will usually be about two weeks after the first day of your LMP.So you will be two weeks further along in your pregnancy if it's calculated according to your LMP rather than your estimated date of conception.he first day of your LMP counts as day one of your pregnancy. You can find out your estimated due date using our handy due date calculator. Some women prefer to count their pregnancy from the day that they were likely to be ovulating during the month in which they became pregnant.