What are the signs of pregnant yellow molly fish?

Signs For Pregrnant yellow molly fish:

1.the male will be chasing the female around the tank

2.she might hide behind rocks, plants, ect...

3.might stay at the top for more air

4.will get more aggressive (im not sure)

5. might hide in a certain corner of your tank

6, a light black/grey spot will be on her stomach

7will get more fatter and might eat less more