This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
Oxytocin causes all except 
Select and explain. 
A. Lactogenesis, B. Milk ejection, C. Contraction of uterine muscle, D. Myoepithelial cell contraction
A: Lactogenesis
Answer: A: Lactogenesis 
Explanation: Oxytocin which is a uterine stimulant -contract the myoepithelial cells of mammary alveoli and forces milk into the bigger milk sinusoids and thus causes milk ejection Prolactin produces milk- lactogenesis (Ref.Essentials of medical pharmacology TD Tripathi 7th edition page no.330)