Depends. Some ppl can take clomid for a long time some ppl dont. Clomid can make your lining thin. When you hv thin lining, it is hard to achieve pregnancy. If your period kept getting lighter every mth, talk to your doc. This happened to me. Now doc switched me to letrozole. I was on clomid for 9 cycles.
you only be on it for six month if nothing. happens then you must see a fertility
This is my 6months on clomid my dr ups my dosage each month. I hope it works this month cause most dr's will only keep you on for 6 months. So I sending baby dust your way