Urinating in the toilet after sex is not contraceptive, and contraception should be used in the form of condoms and birth control pills. Sperm passes through a woman’s vagina and enters the uterus where it combines with an egg to produce a fertilized egg, which leads to pregnancy. Urine is discharged from the urethra and cannot facilitate the discharge of sperm, so urinating in the toilet is not a contraceptive. If you want to prevent pregnancy, you need to adopt scientific methods, such as the use of condoms, contraceptive pills and so on. There are female condoms and male condoms, but the principle is similar, through the condom to form a physical barrier to prevent sperm from entering the vagina, so as to achieve the effect of contraception. In addition, you can also choose short-term contraceptive pills, which can prevent the pregnant egg from implanting and increase the viscosity of the cervical mucus, preventing sperm from penetrating and producing a contraceptive effect. Contraception should adopt scientific and effective methods, other methods such as vasectomy, the use of birth control devices can also be effective contraception. Other methods such as vasectomy and the use of birth control devices can also be effective. Improper methods can easily lead to unwanted pregnancies. If you need to use drugs should follow the doctor’s instructions, not self-medication, in order to avoid adverse reactions.