Oral stage

In Freudian psychoanalysis, the term oral stage or hemitaxia denotes the first psychosexual development stage wherein the mouth of the infant is their primary erogenous zone.Spanning the life period from birth to the age of 18 months, the oral stage is the first of the five Freudian psychosexual development stages: (i) the oral, (ii) the anal, (iii) the phallic, (iv) the latent, and (v) the genital.