Is botox safe while pregnant?????

Sarah • ttc jan 2016 - loss 10/25/16 & 02/22/2017
Hey there! I am TTC and have been getting botox on my frown lines for a year. Is there anyone out there that has had botox when pregnant? Did you have any issues? I trie looking it up and apparently there isn't really any studies out there to say either way :(