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Embryology. LMRFC –Revision Session. Fertilization. Sperm. Oocyte. +. Zygote. Cleavage. Morula. Compaction. Blastocyst. A-Pre-embryonic. B- E mbryonic. C-Foetal. P regnancy weeks calculated from date of Last Menstrual Period i.e . conception weeks +2, so term is 40 pregnancy weeks.
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Embryology LMRFC –Revision Session
Fertilization Sperm Oocyte + Zygote Cleavage Morula Compaction Blastocyst
A-Pre-embryonic B-Embryonic C-Foetal Pregnancy weeks calculated from date of Last Menstrual Period i.e. conception weeks +2, so term is 40 pregnancy weeks
ANY cell type – “Total human” • Totipotent Compaction • Pluripotent Many cell type – “plural”
Implantation Day7 conceptus now has 107 cells • 8 will make the embryo - 99 development of the fetal membranes
Where does fertilisation occur? Where is the ideal site for Implantation? Ampulla of Fallopian tube High on the posterior Uterine wall