05/28/2026
Ever wonder how your pregnancy due date is actually calculated?
In this video, Dr. Lorraine Cummings from our sister practice, Susquehanna OB/GYN & Nurse Midwifery, explains why pregnancy dating starts from the first day of your last menstrual period, and why many patients are already considered about four weeks pregnant by the time they get a positive test.
Understanding how due dates are determined can help make those early weeks a little less confusing.
Learn more about pregnancy here: https://ow.ly/JaTZ50Z3iUN