1. Use of contraceptive tools 1. Contraceptive pills Contraceptive pills are a common contraceptive tool that can be used orally or through patches. Its main function is to inhibit ovulation, thereby achieving a contraceptive effect. However, it should be noted that birth control pills do not prevent the spread of STDs and AIDS. 2. Condoms Condoms are a common male contraceptive tool that can effectively prevent sperm