PeriodsExplainer
Starting a Weight-Loss Shot in Perimenopause? The Birth Control Pill Warning on the Label
Many women in their late 40s and early 50s start weight-loss injections while still needing birth control. Tirzepatide's label says it can make birth control pills less reliable, especially after the first dose and each dose increase. Here is what the label advises and why it matters before menopause is confirmed.











