Yes, you should consult with a doctor before eating red cabbage during your pregnancy. This is because babies often develop colic when their mothers have eaten cabbage during pregnancy. Colic is a condition where an infant cries for at least 3 hours a day, for at least 3 days a week, and this persists for at least 3 weeks. Due to this, doctors may recommend you to not eat red cabbage when pregnant.

17 Fermented foods and pregnancy – from around the world
For over-all gut health improvement, it would be more beneficial for the mother to consume one of these every once in a while. And the proper way to introduce these types of food is by simply taking baby steps for the gut to get used to it. Learn more about safety of popular Fermented foods and pregnancy – from around the world.