Stress levels

Abigail • Mother to a precious baby boy! My rainbow baby! 😍 so happy and in love
How do I keep my stress levels low, I'm expecting my 2nd child my first child I had miscarried an I had a lot of stress then...I don't want to lose another baby and if I can prevent it I will...I want my body to be a safe environment where my baby can grow strong and healthy took us 5-6 months to conceive our rainbow baby