It is unlikely to get monospermic embryos in blastocyst stage.

So much for the effort and ingenuity of Montmartre. All the catering to vice and waste was on an utterly childish scale, and he suddenly realized the meaning of the word dissipate—to dissipate into thin air; to make nothing out of something.

This Deterration, as 'tis called, or Devolution of Earth and Sand from the Mountains and higher Grounds

Insects have six legs.