biochemical pregnancy


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biochemical pregnancy

A pregnancy that is confirmed by laboratory tests of blood or urine but cannot be seen using contemporary imaging techniques.
See also: pregnancy
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References in periodicals archive ?
An elevation in serum [beta]-hCG levels 16 days after embryo transfer was considered as a biochemical pregnancy. However, a clinical pregnancy was determined by the visualization of an embryo with cardiac activity at 6-7 weeks of pregnancy.
Pregnancy outcomes in donor recipients from fresh IVF cycles OCP Contraceptive vaginal ring Not pregnant (n, %) 9 (36%) 11 (28%) Missed abortion (n, %) 1 (4%) 3 (8%) Biochemical pregnancy (n, %) 2 (8%) 2 (5%) Ectopic pregnancy (n, % ) 0 (0%) 0 (0%) Singleton pregnancy (n, %) 9 (36%) 5 (13%) Twin pregnancy (n, % ) 4 (16%) 16 (41%) Triplet pregnancy (n, %) 0 (0%) 1 (3%) Live births (n) 13 22 p-value Not pregnant (n, %) 0.70 Missed abortion (n, %) 1.00 Biochemical pregnancy (n, %) 0.64 Ectopic pregnancy (n, % ) 1.00 Singleton pregnancy (n, %) 0.06 Twin pregnancy (n, % ) 0.07 Triplet pregnancy (n, %) 1.00 Live births (n) 0.93