C1052 Before action

Army hospital.

"Miss Tang, may I ask what is your menstrual cycle?" In the ward, the nurse asked politely.

Tang Yuyan frowned, "Why are you asking this?"

"Miss Tang, the doctor asked for it. This is also for your own good. We need to know more about the situation and get rid of the potential dangers. " the nurse said.

"Eliminate what?"

"Well