That would have to be the daftest question I have ever heard. it is hardly possible.
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.
Sperm can live inside of a female for up to five days after intercourse.
Sexual Intercourse
Contains by a male before intercourse and by a female after intercourse
No
Sexual intercourse and the bonding of sperm (male) and egg (female).
It happens in sexual intercourse. If the sperm is a male and the egg is female it will be male but if both are female, it will be female!
Artificial Insemination ... Uses sperm from a "sperm bank".
The sperm from a male penis fertilises the female egg. You need sexual intercourse to enable the sperm get to the egg (which makes a baby.)
Male sexual organs which produce sperm. Sperm are what fertilise a female's egg as a result of sexual intercourse.
No. Pregnancy is not possible between two females through intercourse. Pregnancy requires both sperm and egg. Males create sperm. Females create eggs. That's virtually the core defining difference between what the words male and female mean.
Zero. Sperm is not needed for intercourse.