Chrysalis wasn't supposed to be pregnant. It was impossible, changeling monarchs were sterile in exchange for their immortality. Generations worth of unprotected 'safe' sex during nights of subterfuge made pretty good anecdotal evidence.

She tried to ignore the signs. Tried to ignore the ever-growing wiggling foal that could be clearly seen through her glowing chitinous womb. But many months have passed, and her time approaches. Now she waits in anticipation and fear.

She won't have to wait long.