U have a tear. That's what the Mri says. And there is a small protrusion. However we don't know what your complains are?
Physiotherapy is a proven way to halt pressure on disc.
It should not be a problem for pregnancy as such, however these decisions are better taken after clinically examination and seeing Mri films.
Get yourself clinically examined by a Spine Surgeon
Avoid lifting weights & bending forwards unless certified by a therapist.
Postural Correction- Sit Tall, Walk Tall.
Extension Exercises x 15 times x twice daily - lying on tummy, take left arm up for 3 seconds, then bring it down, right arm up for 3 seconds, bring down. Bring right leg up, hold for 3 seconds, bring it down. Then right leg up and hold for 3 seconds and bring it down. Repeat twice a day- 10 times. Bhujang Asana -- Lie flat on your stomach, keeping the palms out, bend the neck backward, take a deep breath and while holding it for 6 seconds, raise the chest up. Release breath and relax your body. Repeat the exercise 15 times twice daily.
Core Strengthening Exercises- Straight Leg Raised With Toes Turned Outward, repeat 10 times, twice a day.
What is the clinical problem of patient is more important
As image finding of annular tear may be significant may not be significant
So it has to be clinically confirm first
If it's significant
Ione must be cautiously proceed