Governmental efforts towards fertility reduction often face a dilemma: babies who are planners' worry are also a parent's hope and joy (Mandelbaum 1974:110). The beliefs of the people on this subject and what planners believe ought to be done may on occasion diverge substantially.

Fertility behaviour includes not only biological but also social reproduction, involving a complex network of institutions.

Sex therapy is designed to change certain patterns of sexual behaviour. Masters and Johnson gave new dimension to sex therapy. Today, we are entering into an era of reasoning, so what was once upon a time empirical is now being specific for each and every sexual dysfunction.