Throwing up frequently- call dr?

Robin • 🐶 Feb 18- 💍 Nov 10- 🎀 Jan 15

I’ve been throwing up rather regularly. I’m 18 weeks and I’ve been throwing up at least once a week. Is this something I should call my dr about on Tuesday? I know throwing up can’t hurt the pregnancy but I’m concerned about the frequency being a symptom. Morning sickness went away at 12 weeks and all tests and scans have been perfect.