"It is He who forms you in the wombs however He wills," similar to His saying: "In whatever form He willed has He assembled you."
﴿هُوَ الَّذِي يُصَوِّرُكُمْ فِي الأَرْحَامِ كَيفَ يَشَاء﴾ كَقَوْلِه: ﴿فِي أَيِّ صُورَةٍ مَا شَاءَ ركبك﴾ [آيَة]