Hi,
Nausea is not a feature of pre-
menopause as such. But it can be because of gastritis or hyper-acidity leading to
gas and bloating. Dietary modification, having small frequent meals, avoiding spicy and oily foods will help. Medicines in the form of antacids will help tackle the problem.
The answer is based on information provided. Exact advice is not possible without a proper examination and investigations. You are requested to consult your Doctor. Take care and keep us posted.