The Quran is not giving a laboratory manual of embryology, but it is also not forced to mean something absurd like a dead blood clot becoming a baby. The terms 'alaqa and mudgha are ordinary Arabic descriptions of early stages, and the fairest reading is modest: they describe appearance, attachment, and staged development in broad human language.
Why the criticism sounds strong
The objection has real force when it targets exaggerated claims. Some Muslims have spoken as if these verses contain detailed modern embryology, while some classical commentators explained 'alaqa mainly as "congealed blood" and mudgha as "a morsel" or "a chewed piece of flesh." Critics then say: an embryo is not dead blood, semen does not literally turn into a clot, and no embryo is literally chewed meat.
That is a fair warning against overclaiming. If someone argues that the Quran is a modern textbook in coded Arabic, he will run into problems. The Quran's own style is different: brief, moral, reflective, and addressed to ordinary people.
What the verses actually say
Then We created the drop into an 'alaqa, then We created the 'alaqa into a mudgha, then We created the mudgha into bones, then We clothed the bones with flesh; then We produced him as another creation. So blessed is Allah, the best of creators.
Quran 23:14
He created man from an 'alaqa.
Quran 96:2
The word nutfa means a small drop of fluid. It does not require the Quran to say that the whole visible semen mass turns directly into an embryo. Classical scholars commonly understood it as the reproductive drop from which creation begins, without discussing ovum, fertilization, or genetics.
The word 'alaqa comes from the root meaning to cling, hang, or attach. In Arabic usage it can refer to a blood clot, something attached, or a leech-like thing. Classical tafsir often chose "blood" or "clot" because that was the visible language available to them: the early embryo is hidden in a blood-rich uterine environment and appears as a small dark attached mass. That does not mean the Quran teaches "a dead clot of blood." The Quran says Allah creates and transforms living stages; it does not define 'alaqa as dead tissue.
How classical readings and modern knowledge can fit
Mudgha literally suggests a small morsel, something bite-sized, and by extension something resembling chewed flesh. Classical scholars did not need microscopes to understand the image: a tiny lump of flesh-like matter after the attached stage. Modern writers often point to the somite-stage embryo, where repeated ridges can give a segmented appearance. That may be a helpful illustration, but it should be presented as an illustration, not as proof that the verse secretly names somites.
The key point is that neither 'alaqa nor mudgha has to be read with crude literalism. We say "the sun rises" without claiming astronomy is false. Human language often describes things as they appear or as they relate to us. The Quran's terms are compact, physical, and recognizable: a reproductive drop, an attached stage, a small morsel-like stage, then further formation.
What this does and does not prove
This reply does not prove that the verses are a detailed scientific miracle. Nor does it prove that every classical gloss captured embryology with technical precision. Classical commentators explained the Quran using the language and knowledge of their time, and their explanations deserve respect without being treated as medical definitions.
What it does establish is narrower and stronger: the charge of clear error is not proven. The Arabic allows "attached/clinging thing" as part of the meaning of 'alaqa, while "blood clot" reflects appearance and older descriptive speech, not necessarily a claim of dead blood. Mudgha is a metaphor of size and form, not a claim that the embryo was literally chewed.
So the best Muslim answer is neither panic nor exaggeration. The verses speak truthfully in broad, vivid Arabic about hidden human formation, and they invite humility before the Creator rather than a forced contest between tafsir and modern microscopes.