200
Participants
Start Date
June 20, 2020
Primary Completion Date
November 20, 2023
Study Completion Date
December 1, 2023
Markers of ultrasound
CRL, HR, and other ultrasound measurements.
Immunologic factors
Measurement of NK cells subpopulations types in the maternal serum
Serum factors
Measuring the maternal serum concentration of sFlt-1, PLGF, glycodelin-A, and other substances.
RECRUITING
Orthogyn Medical and Dental Center, Sofia
Orthogyn Medical Center, Bulgaria
OTHER