How long does contraceptive gel remain effective after application?

After inserting contraceptive gel, it usually takes about 15 minutes to become effective, and intercourse must be completed within a specified timeframe to ensure effectiveness. Different brands of gel may vary, so always read the instructions carefully before use. Details are as follows:

Contraceptive gel works by forming a barrier inside the vagina and releasing spermicidal ingredients. When first inserted, the active components have not yet fully dispersed or taken effect. If intercourse occurs before sufficient waiting time, the gel cannot effectively immobilize sperm, significantly reducing the likelihood of successful contraception. Most products clearly indicate 15 minutes as the minimum activation time, although some may require up to 20 minutes—always follow the instructions provided with your specific product.

The effective duration of contraceptive gel is also limited; optimal protection is generally maintained for about 1 hour after application. After this period, the gel may be partially absorbed or displaced, leading to decreased concentration and reduced contraceptive efficacy. If more than an hour has passed, it is advisable to reapply the gel to avoid unintended pregnancy due to insufficient protection.

When using contraceptive gel, strictly follow the manufacturer's instructions, paying close attention to both the required activation time and effective duration. Additionally, maintain clean hands and equipment to prevent introducing bacteria and causing infection.