What are the possible causes of a pain in the right hip and in the lower pelvic area at 7wks pregnancy?

Various reasons: You may have benign round ligament tension which is very common at this gestational age. Usually the pain is located on the sides of the lower abdomen and is frequently sharp and less so cramping. No vaginal bleeding is reported with it. It may take minutes to sometimes hours and even days. Rest, Acetaminophen and avoiding positions known to cause/aggravate it, may help. Hip pain may be from it 2.

Ectopic pregnancy: Unilateral pelvic-hip pain within few weeks of pregnancy onset warrants consideration of ectopic pregnancy, and a gynecologist's opinion and ultrasound are indicted. A sufferer of these symptoms should make an appointment sooner than later.

Hip pain: If it is a bew symptom it needs to be evaluated by your doctor.