The Holy Quran 23:13 — Surah Al-Mu'minun
Arabic text
ثُمَّ جَعَلْنَـٰهُ نُطْفَةً فِى قَرَارٍ مَّكِينٍ
Translation
Thereafter (when mankind arrived on earth, the system of reproduction started and the development of a child began when) We placed him in a safe lodging (the womb) as a drop of fluid (sperm)...
Tafsir (excerpt) — Tafsir Usmani
that is, in the mother's womb, from where it cannot move anywhere.
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