Cramping

Hi Moms-To-Be! I had a miscarriage in July and am now 7 weeks pregnant. Over the past 3 weeks, I have woken up two times to extreme cramping. The cramping lasts for about 20 min and is combined with nausea, sweating, and then chills. The cramping is so severe that I can’t move until it passes. The first time it happened, it was on the left side, and this morning it was on the right. Has this happened to anyone else? I am trying not to imagine the worst and have my first Dr. appointment on the 9th but am wondering if I should try to get in earlier... thanks for your support!