All
 D12 Amino Acids, Peptides, and Proteins D000602 +
 D12.776 Proteins D011506 +
 D12.776.780 Pregnancy Proteins D011257 +
 D12.776.780.400 Chorionic Gonadotropin D006063 +
 D12.776.780.451 Gonadotropins, Equine D006064 
 D12.776.780.650 Placental Lactogen D010928 
 D12.776.780.700 Pregnancy-Associated Plasma Protein-A D011266 
 D12.776.780.730 Pregnancy-Specific beta 1-Glycoprotein D011268 
 D12.776.780.675 Pregnancy-Associated alpha 2-Macroglobulins D045384