Surah Al-Mu'minun — Ayah 13 (23:13)
ثُمَّ جَعَلۡنَٰهُ نُطۡفَةٗ فِي قَرَارٖ مَّكِينٖ ١٣
English translation (Saheeh International)
Then We placed him as a sperm-drop1 in a firm lodging [i.e., the womb].
- - Or "as a zygote."
Brief commentary
Then I created his progeny who procreate, by way of a drop of sperm that lodges in the womb until birth.