Compléter Fertilisation and ImplantationVersion en ligne Process of fertilisation and implantation par Kasthuri Subramaniam 1 nucleus foetus pregnant lining dividing Fallopian fertilised zygote Fertilisation tube embryo endometrium morula implants ovum blastocyst is when the cell nucleus and the sperm cell combine , this happens inside the woman ? s . The egg cell into the woman ? s and the cell begins . The tiny ball of dividing cells is called a , then a , followed by and lastly before forming a . After the implantation of an embryo the woman is said to be .