<P> Human fertilization is the union of a human egg and sperm , usually occurring in the ampulla of the fallopian tube . The result of this union is the production of a zygote cell , or fertilized egg , initiating prenatal development . Scientists discovered the dynamics of human fertilization in the nineteenth century . </P>
<P> Human fertilization is the union of a human egg and sperm , usually occurring in the ampulla of the fallopian tube . The result of this union is the production of a zygote cell , or fertilized egg , initiating prenatal development . Scientists discovered the dynamics of human fertilization in the nineteenth century . </P>
where is an egg normally fertilised by a sperm
where is an egg normally fertilised by a sperm
in the ampulla of the fallopian tube
in the ampulla of the fallopian tube