Pregnant Livebearers questions

I have a pregnant guppy, a pregnant swordtail, and a pregnant sunburst
platy. Oh, and a pregnant Mickey Mouse platy as well. Does anyone know
where I can find pictures, or info on exactly how they behave when ready
to give birth? The swordtail has had five babies, I think it's her
babies. I am fairly new to this. She still looks pregnant, though. Black
gravid spot, and everything. Is it possible, that I made her have a few
early, because she had fungus, and I treated her with quick cure? Can
she still have more inside? I am sorry for the stupid questions, but I
KNOW someone here will know the answer. Oh, one more question. Is there
anywhere on the net, that sells things to Canada, C.O.D? I don't have a
credit card. Or even uses paypal? LOL. Thanks for reading.

Marlene