This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
Also, since there seems to be a lack of basic reproductive knowledge here, identical twins come from one egg, fraternal twins come from two eggs, which can occasionally drop on different days, further extending the fertile window.
You can get pregnant the day after ovulation.
Also, since there seems to be a lack of basic reproductive knowledge here, identical twins come from one egg, fraternal twins come from two eggs, which can occasionally drop on different days, further extending the fertile window.