Which row below completes the following statement?

“Hormonal medications may be taken to prevent conception. These artificial hormones mimic
the effect of _i__ and inhibit the release of _ii_ and LH from the anterior pituitary. As a result,
__iii_ does not occur.”
Row i ii iii
A. GnRH progesterone implantation
B. estrogen prolactin ovulation
C. oxytocin prostoglandins gastrulation
D. progesterone FSH ovulation

B. estrogen prolactin ovulation