It is ok or not

I have just meet up with my ObyGyn today.
Everything is normal except for the placenta’s site. Dr said it is low. Yet Dr can’t confirm the exact position unless I do Doppler’s test.
I just silent and try hold my tears from bursting out.
I know the outcome. I learn about it.
Once I went out of clinic, my tears bursting out non-stop. I can’t hold my cry anymore.
It is hard to accept the reality but maybe my pregnant hormone make me feel too much worry. 😦