Only if it is a simple sweet paan without any tobacco or supari! But don't make it a daily habit, or you'll have red lips in all your maternity photos, haha!
I had severe cravings for meetha paan during my second trimester and had it once or twice. Just make sure there is no tobacco or betel nut in it, and you'll be fine.
Listen, tobacco or supari wala paan toh bhool kar bhi mat khana. Agar bohot dil kar raha hai, toh kabhi-kabhi ek chota meetha paan kha sakti ho, par safe yahi hai ki door raho.
Meetha paan contains a lot of sugar syrups and gulkand which can spike your blood sugar immediately. If you have gestational diabetes or are watching your sugar, it is best to avoid it completely.
Keep your thoughts pure and eat fresh fruit instead, dear. If you must have paan, make sure it is completely tobacco-free and clean, and take care of your health.