Chanting the sloka during pregnancy would ensure safe delivery.
Rudhrasha Aekaadhasha Broktha ,
Pragrahnanthu Balim Dhvimam I
Yakshamaagam Preethayae Vrutham,
Nithyam Rakshandhu Garbineem II
Oh Holy Rudras you are eleven, Please accept this prayer,
Which has been made as per your wish, to get your mercy and blessing,
and be pleased to protect , this lady who is pregnant, from all dangers.