23:14

then changed the semen into a leechlike mass, then leechlike mass into a fetus lump, then fetus lump into bones, then clothed the bones with flesh, and then We brought him forth as quite a different creature from the embryo – so blessed is Allah, the best of all creators.
Meaning:
leechlike mass: semen into a leechlike mass, then leechlike mass into a fetus lump, then fetus.
Fetus: an unborn offspring of a mammal, in particular an unborn human baby more than eight weeks after conception.
Embryo” an unborn or unhatched offspring in the process of development, in particular a human offspring during the period from approximately the second to the eighth week after fertilization (after which it is usually termed a fetus).