Postule On Gums My Female Fighter Appears To Be Sick?

My female fighter appears to be sick? - postule on gums

In my tank I have 1 male Siamese fighting fish communities and 2 women (uncle of my pet store said it was ok)
A handful of neon, 4 guppies, 2 and a half until the catfish sidedown

I noticed the water change 1 of my fighters is unreachable swam, then for a few seconds, then fell to the bottom of the tank again, I've also noticed a white belly flaps betwenn postulates, I noticed on the search for a different woman, but it seems very good, and although all the other fish seem fine too.
to be pregnant or is it just the