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Time-lapse imaging morphokinetics may play a role in early prediction of aneuploid embryos due to differences in kinetic behavior that may aid in improving clinical outcome.

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Objective To determine the correlation between placental bed biopsy findings, and blood levels of the vascular cell adhesion molecule (VCAM-1) and fibronectin in pre-eclampsia/eclampsia, and to evaluate the relationship between these variables and severity of the disease.Design A prospective case-control study.Setting Department of Obstetrics and Gynaecology, Cerrahpasa Medical Faculty, Istanbul.Sample Thirty-five women with pre-eclampsideclampsia were compared with 25 healthy women with uncomplicated pregnancies. Twenty-one placental bed biopsies from pre-eclamptic pregnancies were compared with 17 from normal pregnancies.Main outcome measures Peripheral venous blood levels of VCAM-1 and fibronectin, measured by enzyme-linked immunoassay and radial immune diffusion technique.Results In pre-eclampsideclampsia, blood VCAM-1 and fibronectin levels were higher than in normal pregnancy. Levels of both fibronectin and VCAM-1 correlated significantly with the diastolic blood pressure (r = 0.49 and r = 0.65, P < 0.001). There was also a significant direct linear correlation between plasma fibronectin and VCAM-1 levels ( r = 0.57, P < 0.001). Normotensive women all had normal placental bed biopsy findings and the incidence of pathological placental bed biopsy findings increased with the severity of the pre-eclampsia. ConclusionInadequate trophoblastic invasion of spiral arteries, and elevated levels VCAM-1 and fibronectin were found in women with pre-eclampsia. The magnitude of defective trophoblastic invasion, and blood levels of VCAM-1 and fibronectin correlate with the clinical severity of pre-eclampsia.