( Gestational ( ( Age ( ( ( ( ( The number ) ( of ( complete weeks ) ) ) ( of ( fetal development ) ) ) , ) ( calculated ( from ( ( the ( first day ) ) ( of ( the ( last ( menstrual period ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Gestational)) (VP (VBZ Age) (NP (NP (DT The) (NN number)) (PP (IN of) (NP (JJ complete) (NNS weeks))) (PP (IN of) (NP (JJ fetal) (NN development))) (, ,) (VP (VBN calculated) (PP (IN from) (NP (NP (DT the) (JJ first) (NN day)) (PP (IN of) (NP (DT the) (JJ last) (JJ menstrual) (NN period)))))))) (. .)))
Gestational Age The number of complete weeks of fetal development, calculated from the first day of the last menstrual period.
(ROOT (S (NP (DT The) (JJ fetal) (NN period)) (VP (VBZ lasts) (NP (NP (QP (RB approximately) (CD 30)) (NNS weeks)) (NP (NNS weeks)))) (. .)))