Implantation of the zygote may also occur outside the uterus during prenatal development with a(n):

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Implantation the zygote may also occur outside the uterus with an ectopic pregnancy,most occurring within the fallopian tube.This disturbance has several causes but is usually associated with factors that delay or prevent transport of the dividing zygote to the uterus,such as scarred uterine tubes due to pelvic inflammatory disease.Examples of an infective teratogen for the embryo is the virus causing rubella,which can result in cataracts,cardiac defects,and deafness or the bacterial spirochete causing syphilis,Treponema pallidum,because it produces defects in the incisors (Hutchinson incisor) and molars (mulberry molar),as well as blindness,deafness,and possible paralysis if not treated.Ectodermal dysplasia involves the abnormal development of one or more structures from ectoderm.

Implantation of the Zygote May Also Occur Outside the Uterus