Likelihood of conception occurring with one cycle of appropriately timed midcycle intercourse
Fecundability
20%
Inability to achieve pregnancy despite 12 months of unprotected and frequent sexual intercourse
Infertility
Normal midluteal progesterone level
> 10ng/mL
Clomiphene Citrate Challenge Test
Females>35 yo
FSH levels on the d3
> 12
Normal semen analysis value Volume Concentration Motility Normal forms pH
2-5 ml >20 million/mL >50% >30% 7.2-7.8
Ovulation induction
Competes for endogenous estrogen for binding at hypothalamus
Clomiphene citrate
Ovulation induction
Reduce insulin resistance and direct stimulation to ovary
Adjunct
Metformin
Ovulation induction
Low estrogen levels
Hmg
Ovulation induction
Alternative to hmg
GnRH