sperm
into the vagina
sexual intercourse
yes because of the sexual interaction
sperm
During the act known as "sexual intercourse", the male penis goes inside the female vagina, where (usually after moving back and forth for a while, to get excited), the semen (the liquid which includes the sperm cells) is deposited inside the woman's body.
By having sexual intercourse during her ovulation.
The penis is used for urination and sexual intercourse. During sexual intercourse the penis is thrust into the woman's vagina. The man then ejaculates semen, which contains sperm. Sperm can fertilize an egg to create a pregnancy.
The sperm is usually discharged during intercourse. That one of the prime reasons for intercourse: for male sperm to get into a female for fertilization of her egg(s).It depends on what you mean by "safe". It is the natural method of procreation.
The male sperm goes into a female egg during sexual intercourse, and then they fuse and a xygote is formed.
Sexual intercourse.
The method that gets the sperm out is called ejaculation. This occurs during sexual activity, usually in masturbation or intercourse.