If you don't feel anything unusual during menstruation, it doesn't matter, because acupuncture weight loss will stimulate some acupoints at the same time, which will help you regulate your endocrine, which may lead to early or late menstruation. If you menstruate at this time, it may have some influence on your weight loss. If you want to massage your stomach at ordinary times, you'd better stop now and return to normal diet, because women's physiological period is also very important! Take care of your health before doing other things. I hope you can lose weight successfully!