Is it normal to feel tense in the belly when I'm only 6 weeks pregnant?

Yes, it is normal to feel tension or mild discomfort in the belly during early pregnancy, including at 6 weeks. This can be caused by various factors, such as hormonal changes, the stretching of ligaments, or gas and bloating. However, if you experience severe pain or other concerning symptoms, it's important to consult your healthcare provider for guidance.