Non medicated IUI

In March my fiancée and I did an at home insemination (twice in that cycle) with frozen sperm. Unfortunately, that didn’t result in a pregnancy. Not that it scared me but I felt like we needed to get better chances especially with the cost of frozen sperm. We decided to consult a doctor. Since I am 28 with no known fertility issues the doctor recommends we start with a non medicated

IUI

.

My biggest concern is they aren’t even going to monitor follicles or hormones. I just call and schedule the

IUI once I get a positive ovulation test.

I just wonder what other people’s experiences are with non medicated

IUIs? I thought they would at least monitor follicle size?!