"[He] gives to whom He wills female [children]," meaning: daughters, "and He gives to whom He wills males."
﴿يَهَبُ لِمَنْ يَشَاء إِنَاثًا﴾ يَعْنِي: الْجَوَارِي ﴿وَيَهَبُ لِمَن يَشَاء الذُّكُورَ﴾