About acidity. My body goes in anxiety?

Hello, I am 26th week pregnant with ivf n all is going well. But my anxiety is the problem n during lockdown only I built anxiety n extreme fear which destroys my routine also. I am very conscious about health anxiety n fear don't know why . I was inside me before also r not don't know . But I overcome with that doing yoga, meditation n spiritually but not completely. Anxiety is very hell I faced specially faster breath n while taking breath also my body becomes acidic which is hell. Even though I overcome but not completely . Now also if I am anxious 2 days after ll become normal. In middle I skipped meditation n al . But daily I chant hanuman chalisa which ll give me so power n positive energy. But pls help me y extreme acidic my body goes in anxiety? N also doctor told me complete bed rest as I gone through cervix stitch. My mind runs like for going to scan n taking head bath, if friends tells me they ll come home that also creates stress. Pls suggest some help pls pls !