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Script: Emva kwamalanga ama 3 ukuya kwama 4 ngemva kokumumatha, amaseli ahlukanako we-embryo aba yindilinga begodu i-embryo ibizwa ngokuthi yi-morula. Ukusukela emalangeni ama 4 ukuya kwa 5, Kuba nesikhala hlangana nebholo yamaseli begodu i-embryo leyo ibizwa nge-blastocyst. Amaseli angaphakathi kwe-blastocyst abizwa ngobunengi bamaseli wangaphakathi begodu akha ihloko, umzimba, nokunye ukwakheka okubalulekile kumuntu okhulako. | ||
All ages referenced to fertilization, not last menstrual period. |