Dua for Blessing of Pregnancy

رَبِّ لا تَذَرْني فَردا وَ اَنْتَ خَيْر الوارِثين(89)سورة الانبياء

Rabbi La tathirnee Fardaan Wa Anta Khayiru Al Waritheen (89)

Oh my Lord do not leave me without offspring. Surely, you are the best of inheritors