Plasma levels of prolactin (PRL), growth hormone (GH), luteinizing hormone (LH), and corticosterone (CORT) were measured in parturient Rockland-Swiss (R-S) albino mice following the daily administration for 10 days of 0.5 mg ergocornine (ERGO), 0.5 mg bromocriptine (BROMO), or sesame oil (OIL). The