Is my Betta Female Pregnant?

Ok, I have one female and one male betta. They are both in the same tank(I want them to see each other). BUT I have a divider in the tank. It is a 10 gallon tank, also it has a heater and a filter. Most dividers are gl/plastic with small holes. But I customized mine. I did not want to buy a $10 divider so I "made" one. It was only .24cents. It is plastic canvas you find in craft stores. To keep it up, I took string and make it stay up. Sometimes they get to the other side. As soon as I see it, I move them back. Now my female is plump near her front and is super hungry. Usually she eats 2-4 tablets each feeding time. Now she eat as many as ill give her(6-9). Im worried because the male does not have a bubble nest. I was planning on breeding them, but I wanted to wait untill after winter. Im not sure what to do...I have my filter on 24/7....will that make him not want to, because of the flow? Im only 12, and don't know what I should I do. Also, if she IS pregnent, What do I need to buy?