Firstly do dua to ALLAH(SWT) for a healthy, intelligent and pious baby. There's nothing better then making dua yourself. Why? Well cos you know how sincere you are.
I don't think there is anything that is compulsory but do dua and try to read Qur'an if possible.
The Qur'an is a mercy and healing for those who revere it, recite it, reflect on it, and resolve to act on its guidance. ALLAH Most High says:
"And We reveal of the Qur'an that which is a healing and a mercy for believers..." [Qur'an, 17.82]
However you can recite some verses of the Qur'an that have particular benefits. After all the Qur'an is "
a healing and mercy for believers"
"O Lord, bestow on me a goodly offspring from You; verily, You are the hearer of prayer" Surat 'Āli `Imrān (Family of Imran) - (Verse 3:38) سورة آل عمران
You can also supplicate with the verse: "And those who say, "Our Lord, grant us from among our wives and offspring comfort to our eyes and make us an example for the righteous." Surat Al-Furqān (The Criterian) - (Verse 25:74) سورة الفرقان
Another supplication is the one reported by Abu Dawud in his Sunan that Abu Bakrah, may ALLAH be pleased with him, narrated that the Prophet(SAW) said:
"The supplication for one's distress is: O Allah, it is Your Mercy that I hope for, so do not leave me in charge of my affairs even for a blink of an eye and rectify for me all of my affairs. None has the right to be worshipped except You."
NOTE: This shouldn't be considered a Sunnah or something that one really needs to do.