Magic and Loss — Nancy A. Collins

Located on Manhattan's Lower East Side, Golgotham has been the city's supernatural district for centuries. Populated by creatures from myth and legend, the neighborhood's most prominent citizens are the Kymera, a race of witches who maintain an uneasy truce with the city's humans…

It has been several months since Tate Eresby developed her new magical ability to bring whatever she creates to life, but she is still learning to control her power. Struggling to make a living as an artist, she and Hexe can barely make ends meet, but they are happy.

That is until Golgotham's criminal overlord Boss Marz is released from prison, bent on revenge against the couple responsible for putting him there. Hexe's right hand is destroyed, leaving him unable to conjure his benign magic. Attempts to repair the hand only succeed in plunging Hexe into a darkness that can't be lifted -- even by news that Tate is carrying his child.

Now, with her pregnancy seeming to progress at an astonishing rate, Tate realizes that carrying a possible heir to the Kymeran throne will attract danger from all corners, even beyond the grave...