When having sex, men use the delay cream, usually does not have much effect on the fetus. Most of the delay ointment for mucous membrane of the anesthetic drugs, the effect on the semen is not very big, generally does not affect the activity and quality of sperm, so there is no great effect on the fetus. But men’s time-lapse ointment can also have other side effects. There will be localized allergic reactions, local redness, swelling, itching or tingling and other symptoms, and in severe cases, scratching and ulceration and other phenomena. There is also a decrease in local sensation after use, an increased risk of penile injury, and for overly violent sex, the decrease in sensation will not be able to realize there is an injury, which increases the risk of tearing. Regular use can also lead to psychological dependence.