Lettizole Estrogen suppository

This month was my 4th cycle of taking letrizole but this month was a very different cycle my period lasted 9 days and the past few days were extremely heavy! Has this ever happened to anyone before?

Being that my period was a little longer this month my doctor said he was going to put me on estrogen suppositories. I am not sure why because my estrogen wasn’t that low. Ovulation is approaching in the next few days. Has anyone been on this after taking letrizole if so did you get pregnant?