This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'True about Nexplanon is all except \nSelect and explain. \nA. Suppress ovulation, B. Induces endometrial atrophy, C. Estrogen subdermal implant, D. Increases cervical mucus viscosity', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Nexplanon is progestin implant.', 'role': 'assistant'}]