Complex sentence: Antiestrogens such as aromatase inhibitors and analogues are also able to inhibit the secretion of prolactin, though not nearly as robustly as D 2 receptor agonists, and as such, they are not usually used as prolactin inhibitors.
Split into simpler sentences: Antiestrogens such as aromatase inhibitors and analogues are also able to inhibit the secretion of prolactin, though not nearly as robustly as D 2 receptor agonists. As such, they are not usually used as prolactin inhibitors.