( ( ( ( healthy pregnancy ) , ) ( ( birth and ) ( infancy 2 ) ) ) . )
(ROOT (NP (NP (JJ healthy) (NN pregnancy)) (, ,) (NP (NP (NN birth)) (CC and) (NP (NN infancy) (CD 2))) (. .)))
healthy pregnancy, birth and infancy 2.
(ROOT (S (NP (NP (DT The) (JJ first) (NN year)) (PP (IN after) (NP (NN birth)))) (VP (VBZ is) (VP (VBN called) (NP (NN infancy)))) (. .)))