excretion of 2,3-dinor-6-ketoprostaglandin f1 alpha in women of reproductive age was higher ( 155 +/- 23 ng/g creatinine , p less than 0.005 ) than in postmenopausal women ( 97 +/- 24 ng/g creatinine ) and in men ( 78 +/- 7.6 ng/g creatinine ) and increased significantly during pregnancy ( 1st trimester 230 +/- 50 ng/g creatinine ; 3rd trimester 522 +/- 53 ng/g creatinine ) .
C0032961
pregnancy
C0032981
3rd