Hello, and I hope I can help you today. As your uterus grows, there are two ligaments that are located on either side of the graph the front wall of your uterus that anchor it to your pelvis. These are called the round ligaments and for some reason, many women experience pulling sensations and pain as these ligaments are stretched. The pain is usually associated with walking or standing, and for an unknown reason, is more likely to occur on the right side. We refer to that type of pain in obstetrics as round ligament pain. It usually begins in the mid-second trimester and can occur into the early third trimester. It is nothing to worry about and usually will go away when you rest or drink lots of water as the nurse advised. If you experience any vaginal bleeding, or leakage of watery fluid from the vagina, or regular painful abdominal pains that seem to come and go with the clock and feel like menstrual cramps, you should instead report to labor and delivery for further evaluation. In the meantime however the right-sided pain you describe is likely a normal part of pregnancy, and really is nothing to worry about. I hope I was able to adequately answer your question today, and that my advice was reassuring. Best wishes, and best of luck for the rest of the pregnancy, Dr. Brown