I am 25 yrs old, aug I get married,before marriage I have polychistic ovary, metformin s allergy to me, so I stopped, then dr prescribe iron tablet to regularize my period from 50 to 35-40. Now here another dr prescribe fertomid 50,evion200,livogen, & susten 200 suggest from 23'rd day ,now I am in 28'th day, is there any possible for pregnancy?

It sounds like you may have a female infection or you have may have a allergic reaction to a new product you may have bee using. It is really hard to say without a doctor examining you. I would see my gyn dr or my family dc.