While it's not super common, some women do experience mild cramping and/or spotting when the fertilized egg attaches to the lining of the uterus (aka during implantation).[1]#1 So if you notice some ...

Gao, F. (2025) Research on the Causes and Preventive Measures of Pregnancy Complicated by Acute Abdomen. Open Journal of Obstetrics and Gynecology, 15, 97-107. doi: 10.4236/ojog.2025.151010 .