What is your comment on the fact that bone formation begins in the fourth month, after the development of the heart, nervous system, and muscular system, given Allah’s saying in Surat Al-Mu’minun: "Then We made the Nutfah into an 'Alaqah (a leech-like clot), then We made the 'Alaqah into a Mudghah (a chewed-like lump of flesh), then We made out of that Mudghah bones, then We clothed the bones with flesh, and then We brought it forth as another creation. So Blessed be Allah, the Best of creators"?
The initial stages of bone formation begin in the fifth and sixth weeks, with the formation of the pre-bone tissue, followed by the cartilaginous stage. This is supported by the Hadith of the Prophet, peace and blessings be upon him: "When forty-two nights have passed over the drop of semen, Allah sends an angel to it, who shapes it and creates its hearing, sight, skin, flesh, and bones." Fetal imaging has confirmed this truth.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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