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.
Gestational age is the âageâ of the pregnancy. It often is counted in weeks and days. For example, â24 and 2/7 weeks of pregnancyâ refers to 24 completed weeks and the next 2 days of pregnancy. Medical advances have helped some preterm babies survive and overcome health challenges.