Embryo
Medical term · E
A fertilized egg.
Related terms
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Ectopic pregnancyWhen a fertilized egg (embryo) implants outside the womb (usually in one of the fallopian tubes).
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FertilizationWhen a sperm enters an egg and an embryo forms. Natural fertilization takes place inside a woman’s fallopian tubes. It can also take place outside the body, which is known as…
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Human chorionic gonadotrophin (hCG)A hormone made by the placenta which shows up in a woman’s blood or urine if she is pregnant. May be used as part of assisted conception to help eggs to mature and to help an…
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ImplantationThe process through which an embryo attaches to the lining of the womb.