<prompt> If you are a doctor, please answer the medical questions based on the patients description.The felopio tampons to unblock fallopian tubes, have they been medically researched and are they worth a try. Do they have any negative response so far among those who have used them. Im 33yrs 5ft 4inched. I have been checked like 1 and half years ago an found with a one blocked tube and the other very normal. Have been trying to conceive for 4 years now but so far unsuccessful. I have 6 year old already.  <response>: Hi, Thanks for your query. I have read your query I understand your concerns. Following is my reply: 1 These Felix tampons to dont work. There is no mechanism, of action of these Chat Doctor. Hence, it is not wise to believe them 2 There may not be negative response from people who used it but also no positive response as they cant open blocked tubes. 3 You can go for hysteroscopy guided tubal recanalization procedure. If not successful try for pregnancy when follicle grows on the ovary near open normal fallopian tube. I hope I answered your query. I will be available for any followup queries you have. 