The use of time delay sprays generally does not affect fertility. Delay spray sprayed on the penis can reduce the sensitivity of the penis and glans, thus prolonging the time of sex and relieving the symptoms of premature ejaculation. Delay spray mainly contains anesthetic ingredients, will not cause adverse effects on sperm, egg quality and ejaculation process, will not affect pregnancy and fertility. Users should buy regular qualified products to avoid affecting their health; pay attention to maintaining pubic hygiene before and after sex to avoid pathogen infection; maintain a balanced diet and appropriate exercise to enhance physical fitness. The use of time-lapse sprays should be in accordance with the instructions or follow the doctor’s instructions to standardize the use. If you feel unwell after using it, you should go to a regular hospital in time and be treated under the guidance of a doctor so as not to affect your health.