It's hot, and my girlfriend seldom pees a day. Is there a problem?

What's wrong with her? And you don't know her urine volume every time. It is possible that she urinates a lot. If she is not unwell, it is normal for her to urinate twice every 12 hour. Maybe she is shy in front of you or cares about you or the place where you go is inconvenient. She just doesn't pee. Normal people can hold their urine for several hours, and some people can even continue to drink water.

If there is no other discomfort, she will urinate twice in 12 hours, so there is no need to see a doctor.

If she has pain in urine, back pain or pain and edema, she needs to go to the urology department. Urine routine and urinary system B-ultrasound. Rule out urinary calculi and nephropathy. The cost is about 200 yuan, depending on the charges of your local hospital.