It is not uncommon for women to experience cramping during early pregnancy, as the uterus expands and adjusts to accommodate the growing fetus. However, if the cramping is severe or accompanied by heavy bleeding, it is important to consult with your healthcare provider.
As for the ultrasound findings, seeing only a gestational sac without a yolk sac at this stage can be within the range of normal development. The yolk sac typically becomes visible around 5-6 weeks of pregnancy, but its absence does not necessarily indicate any problems.
Every pregnancy is unique, and symptoms can vary from person to person. Some women may experience cramping throughout their entire pregnancy while others may have intermittent or no cramping at all. Similarly, ultrasound findings can vary depending on factors such as the position of the embryo/fetus or the quality of the ultrasound equipment.
If you have concerns about your symptoms or ultrasound results, it is always best to reach out to your healthcare provider for further evaluation and guidance. They will be able to provide personalized advice based on your specific situation and medical history.