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Script: Ngekuhamba kwesikhatsi lesingemaviki la-8 ekucala ngemuva kwekwakheka kwembewu yemuntfu, umuntfu lowakhekako ubitwa ngekutsi yi-embriyo, lokusho kutsi "yakhekako ngekhatsi." Lesikhatsi lesi, lesibitwa ngekutsi sikhatsi sekuba yi-embriyo, sikhatsi lapho kwakheka ngaso letinyenti tetinhlelo temtimba. | ||
All ages referenced to fertilization, not last menstrual period. |