You can consider using a condom as a contraceptive. Generally, you can take one pill within 12 hours after the missed dose, but if it is more than 24 hours, there is no need to take it, just continue to take it according to the previous dosing time. The contraceptive pill should be taken strictly on time, and the effect of contraception is still very good. If you experience nausea, vomiting, dizziness, vaginal bleeding, etc. while taking the pill, it is a side effect of the pill. This is a side effect of the pill. Don’t worry too much, just keep taking it, usually after 2-3 months of taking it, it will get better on its own. However, you should be careful not to take the pill for a long time to avoid the possibility of endometrial cancer or breast cancer.