Physiology Maintenance of the corpus luteum during the first trimester of pregnancy is accomplished principally by the secretion of: A Antidiuretic hormone (ADH) B Follicle stimulating hormone (FSH) C Human chorionic gonadotropin (hCG) D Luteinizing hormone (LH) 💡 Explanation Maintenance of the corpus luteum during the first trimester of pregnancy is accomplished principally by the secretion of: ✓ Correct Answer: C. Human chorionic gonadotropin (hCG)