1. Spotting Between Periods  Spotting between periods can be a side effect of birth control pills, as they may disrupt the normal menstrual cycle.

2. Nausea  Nausea can occur as a side effect of birth control pills, especially when starting a new prescription or taking them without food.

3. Breast Tenderness  Breast tenderness can be a side effect of birth control pills due to hormonal changes that affect breast tissue.

4. Headache & Migraines  Headaches and migraines can be  a side effect of birth control pills for some individuals, particularly those sensitive to hormonal changes.