Please choose the correct ending to complete the given sentence: Health: [header] How to be ready for your first period [title] Understand menstruation. [step] Spend some time familiarizing yourself with the bodily processes behind menstruation. Many women feel more comfortable with their first period if they understand why menstruation occurs.

Ending1: Instead of being quick to go, spend your time reading a book, listening to music, or watching a movie. During your menstrual cycle, your body releases a hormone called erythromycin, which lets you know when menstruation is coming. Ending2: [substeps] Your menstrual cycle is a bodily process that begins in puberty, when you reach sexual maturity. Each month, your body prepares you for possible pregnancy. Ending3: Menstruation can be a side effect of various diseases, especially pregnancy. Consult a doctor if you and your partner are concerned about your health or feel that menstruation is preventing you from sexually completing a period. Ending4: You can help your body to become familiar with what is normal for you. In order to start becoming ready for first periods, sit down in a comfortable position and gently set yourself into a comfortable position.

Answer format: ending1/ending2/ending3/ending4