I suppose there are various ways for us women to have sex with another woman. You can buy a strap on penis, you can mold a jelly filled penis, or you could simply use your fingers, hands and oral.
No, its not wrong to have sex with another woman. I doesn't matter if you are bi or lesbian. If you love the woman or if it is a one night stand, it is not wrong. Most time it is very enjoyable. But...
Absolutely not. It takes a woman and a man. A woman becomes pregnant when a man's sperm penetrates one of her eggs. HOWEVER. Science has recently found that by joining the DNA of two eggs in one egg...