It is not uncommon to experience cramping during early pregnancy, especially around 4-5 weeks. These cramps can feel similar to menstrual cramps and may be caused by the uterus stretching and expanding to accommodate the growing embryo. However, if the cramps are severe or accompanied by heavy bleeding, it is important to consult your healthcare provider as it could indicate a potential issue such as an ectopic pregnancy or miscarriage. Otherwise, mild cramping without any other concerning symptoms is generally considered normal in early pregnancy. To alleviate discomfort, try resting, applying heat packs to the lower abdomen, practicing relaxation techniques, and staying hydrated. If you have any concerns or questions about your specific situation, it is always best to consult with your healthcare provider for personalized advice and reassurance.