Also found in: Dictionary, Wikipedia.
Related to chemical pregnancy: ectopic pregnancy
slight, unsustained rise in HCG levels.
Pregnancy resulting from in vitro fertilization or other reproductive technology, characterized by low levels of HCG and usually miscarriage prior to implantation.
chem·i·cal preg·nan·cy(kem'i-kăl preg'năn-sē)
Slight, unsustained rise in levels of human chorionic gonadotropin.