###Human: Can Femosten cause irregularity of periods? ###Assistant: Hi. I can understand your concern. What about hot flushes? Do you have them? And when is your scheduled appointment with GP? Do you have foul smelling discharge? Do you have weight loss or low-grade fever? Do you have a family history of cervical cancer? Please reply to my answers of the above-asked questions, so that I can guide you better. I will be happy to help you further. Wish you good health.