A sperm cannot get rid of a fetus.
It eventually becomes a fetus.
Not likely.
No, sperm is not harmful to a fetus during sex. The cervix acts as a barrier to protect the uterus and fetus from any external substances, including sperm. In fact, it is safe for pregnant women to engage in sexual activity unless advised otherwise by a healthcare provider.
No
Haploid Gametes Egg Sperm Fertilization Zygote Blastula Gastrula Embryo Fetus
the sperm finds a fertile egg and makes a baby
2 weeks
Pregnancy requires that a sperm cell come into contact with an egg. So if the "something" has sperm on, or in it, you can get pregnant. Otherwise, no -- no sperm, no fetus.
zygot, fetus formation
There is little nutrition in sperm (they are microscopic) and there is no direct connection to the fetus. You would have to ingest quite a bit for it to make a difference. However, an interesting argument on behalf of all men with pregnant partners.
No and no. Sperm doesn't fuse with other sperms.
When the sperm reaches the egg, they fuse together forming one cell and multiplying creating what is called the fetus.