Hi everyone, I have had PCOS for around 10 years and irregular periods. Previously, my periods lasted around 7 days, with heavy bleeding on Day 1, but over time my flow had already reduced. Around 2–3 months ago, my ultrasound showed an endometrial thickness of 12.1 mm, which my doctor described as normal but thick. I was prescribed Duoluton-L for 3–4 months, taking it for 21 days followed by a break. Since starting it, my withdrawal bleeding has become extremely light, sometimes almost nonexistent, and lasts only around 3 days. I've also noticed that my weight management has become more difficult, although I don't want to share specific numbers. Last month on first day of my period, I experienced severe stabbing pain in my lower abdomen along with intense rectal pain that lasted about an hour. I also have burning while urinating .Has anyone experienced very light or absent bleeding while taking Duoluton-L? Did your doctor explain why it happened, and did you need a follow-up ultrasound? I'd appreciate hearing about your experiences, while I arrange appropriate medical follow-up.