anachephaly and miscarriage

Erica
I'm currently pregnant for the 4th time. My first two pregnancies ended in early (9 week) miscarriages. My most recent, we went to 20 weeks before finding out that our baby had anachephaly and then 23 until we decided to terminate. I'm very nervous about this pregnancy. I just don't how to stop worrying. 
If we do make it with this baby, I'd probably not announce the baby until at least 25 weeks.