The correct option is C nausea, elevated blood pressure, spotting, weight gain, bloating, headache
Nausea (unpleasant sensation before vomiting), elevated blood pressure, spotting (light vaginal bleeding between periods), weight gain, bloating, headache are the most common side effects of taking certain birth control pills.
Medical consultation is necessary before using these pills for those women who suffer from other morbidities as the impact of these side effects get heightened.