How much ejaculate is needed to get a girl pregnant?

Not much. There is a huge number of sperm in a tiny bit of ejaculate. All you need is one sperm to get to the egg to fertilize it.

There are millions of sperm in a drop of ejaculate, and you only need one sperm.

you can get a girl pregnant without ejeculation the clear liquid prior to ejeculation is enough so don't Evan risk the withdrawal method Birth Control and cover it up is the best methods