Help please

Yeva • 💋🐶
Hi everyone.sorry my english is bad,but i need help,i been having really bad pain in leg and lower back im at my 36 week neurolog said i should use vurdon candles for 5 days but i just read that at third trimestr its really against,that i might put baby at risk,idk what to do :( they told me if this pain doesn't go away ill have to do operation to get baby out n i really wanted to have natural birth :( so worried