What are some signs of when my pregnant Sword tail will give birth?

Question

My Pregnant Sword tail just gave birth to 13 fry a month ago and just seems to be pregnant again she has a large pale red gravid spot with black dots inside. She looks very fat too. She is in her own tank (3 gallons). She also isn't eating. What are some signs of when she will give birth?

Answer 1

when she looks like a square (her belly) and its about to explode then that should be the right time