How often do female bettas have eggs?

My bettas are spawning but no eggs?

• so i have a red male betta (not plakat) and a green and blue crowntale female betta. i have put them in the tank together for 36 hours, degrees is 82F and they have all is needed. they have spawned several times now but no eggs come out! i have been feeding them blood worms for the past days and her stomach is really big. she has her egg sack sticking out and she is not afraid to go close to the male. she is fully grown and so is the male. the male has spawned about 2 times this year and this is his third. but he bred successfully with a female that i bought, but now it is a different female, they've spawned, but no eggs!!! no rude answers please!

• Answer:

  Give them another 24 and see what happens. You can always try again in 4 weeks with the same two.