system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The first line of treatment of infertility in PCOD is
assistant
The correct answer is  Clomifene, also known as clomiphene, is a medication used to treat infertility in women who do not ovulate. 
This includes those who have polycystic ovary syndrome. Use results in a greater chance of twins. It is taken by mouth once a day.