Just like with a massage, a little bit of initial discomfort is completely normal. (femmefitalefitclub.com)
The manual also suggests to raise baby up higher if you experience initial discomfort. (themamaknows.com)
But, if initial discomfort is high, you think the therapist isn't going to be helpful, or there is a mismatch in personalities, there is no reason to go back even a second time. (jryanfuller.com)