Reproductive systems By Ihaveskills Nov 5, 2020 2-cell stage Nov 7, 2020 8-cell compacted morula Nov 8, 2020 early blastocyst Nov 7, 2021 8-cell stage uncompacted morula Nov 3, 2022 Fertilied egg(zygote) Nov 3, 2022 oocyte Nov 4, 2022 First cleavage Period: Nov 6, 2022 to Nov 7, 2022 4-cell stage Period: Nov 9, 2022 to Nov 10, 2019 Late-stage blastocyst(hatching) Period: Nov 11, 2022 to Nov 12, 2022 Implantation of the blastocyst