The correct answer is [A−IV,B−II,C−I,D−III] - Progesterone - A steroidal hormone which is secreted by the corpus luteum - Relaxin - A proteinaceous hormone which is secreted by the ovaries in the later stage of pregnancy - Melanocyte stimulating hormone - A proteinaceous hormone released by the pars intermedia - Catecholamines - An amino-acid derived hormone released from the adrenal medulla during emergency conditions