I remember being pregnant and worried about everything I ate! Luckily, the amounts caffeine and lemongrass in the teas are very small and should NOT cause any problems. Nonetheless, this is u003cemu003eyouru003c/emu003e tea you're making at home. Find mint green tea and peach teas that don't include lemongrass. u003cbr/u003eu003cbr/u003eDon't worry too much about the caffeine, u003cstrongu003eyou'd need to drink about 200mg-300mg for it to be a problemu003c/strongu003e. According to Starbucks, u003cstrongu003ea 16 ounce Medicine Ball containsu003c/strongu003e u003cstrongu003e16-25 mg of caffeineu003c/strongu003e. Here's a u003ca href=u0022https://health.clevelandclinic.org/caffeine-and-pregnancy-how-does-caffeine-affect-my-baby/u0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003elink to the Cleveland Clinic's article about caffeine during pregnancyu003c/au003e.