test1 fallopian tube human fallopian tube epithelium sperm normal human sperm in the fallopian tube sperm normal human sperm in the fallopian tube sperm normal human sperm in the fallopian tube fertilization sperm inside a corona cell during fertilization fertilization sperm with corona cells during fertilization sperm normal human sperm in the fallopian tube blastocysts day 6 hatched human blastocyst cleaving embryos Human embryo exposing the embryonic cells (blastomeres) blastocysts day 6 human blastocyst attached to endometrial tissue cleaving embryos day 2 human embryo on the tip of a pin cleaving embryos day 2 human embryo at the 4 cells stage embryo biopsy day 3 human embryo biopsied for genetic diagnosis blastocysts day 6 hatching human blastocyst blastocysts day 6 hatching human blastocyst cleaving embryos compacted morula cleaving embryos day 4 human embryo showing extensive fragmentation blastocysts inner cell mass of day 5 zonal human blastocysts blastocysts Day 6 hatched human blastocyst blastocysts Day 6 hatched human blastocyst Load More Loading More… You’ve reached the end of the list