Holy Virgin Mary is considered the patroness of mothers and safe childbirth.

Saint Gerard is considered the Patron Saint of expectant mothers, children and safe childbirth, while Saint Nicholas of Myra is the patron saint of children. Additionally, Saint Anthony of Padua is the Patron Saint of pregnant women. 

Prayer:

May the blessings of the Lord always be with you. May the Lord instil His fear upon you. Just as Jesus grew in wisdom, strength and stature, so shall you. God will be with you wherever you go. You will be blessed in the morning and blessed in the night. Your life will testify of God's faithfulness. May your guardian angel watch over you at all times. I Jesus name, Amen. 

https://i.nostrimg.com/7568b8c1475cdf2b9f7b6c6ce8e56211b6fe9ad51fd52e6a1a79a54400b241c5/file.jpg