ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,516, issued on Jan. 20, was assigned to CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (Paris), ECOLE POLYTECHNIQUE (Palaiseau, France) and CHU BRUGMANN (Brussels).

"Method and apparatus for quantifying the progression of a pregnancy" was invented by Angelo Pierangelo (Palaiseau, France), Jeremy Vizet (Les Mureaux, France), Jean Rehbinder (Illkirch, France) and Andre Nazac (Brussels).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of quantifying progression of pregnancy, includes a) illuminating a uterine cervix with polarized light having a wavelength comprised between 600 and 1100 nm; b) acquiring a plurality of images of the illuminated uter...