<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hello doctor, I am trying to conceive from past 4 years ... i am suffering from PCOD...today i had follicular scan,,,result is good follicle,but thin endometriumi.e.6mm... so my Dr, preferred ARG 9 ...i want to know wether it increases the endometrium...pls let me know dr. Thank you...  <response>: Hi, POD is associated with hormonal imbalance, which in turn reduces the hormonal support to the endometrium. I would advise first to Have a controlled diet low calories regular exercise. Weight should be Height in CMS -100 or lesser. Try to reduce the fat in middle segment of body. This will correct the hormonal imbalance.ARE 9 is Arginine - which is supposed to improve the blood supply, indirectly increase thickness, but that alone in this situation may not apply. You will need a hormonal support to improve endometrium also for better chances for baby to implant in uterus further avoid any early pregnancy bleedingsAll the best Chat Doctor. 