<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have did ma follicular test menstural day is 12th day ma right ovary follicle mm is 2221mm my left ovary follicle mm has small mlides den my endometrial thickness is 9mm triple layer which Ill be the most fertile day wen should I have intercourse to get pregnant...  <response>: Reclothe size of follicle should be around 19 mm to 20 mm on day 14-15 at least to rupture and release ovum ova and endometrium thickness must be around 11 mm to conceive. This means ovulation occurs on day 14-15 day one count as day on which bleeding commence i.e. period start, count it day one . Size, as mentioned must be 19-20 mm of dominant follicle i.e. which mature and liberate ovum. Endometrium thickness must be 11 mm. Hope this will be useful for you. Over ripe follicle dont rupture and dont release ovum. 