How can environmental signals and stress affect the release of sex hormones? Many females using hormonal contraceptives in general tend to have lighter and shorter menstrual periods after a few months, but those using non-cyclic methods often do not have any menstruation at all. ...
For example, better parental education enhances the adoption of contraceptive techniques, and better educated individuals are more likely to learn more about nutritional and healthy lifestyles (Psacharopoulos and Patrinos 2008, p. 345; Sweetland 1996, p. 341). Similarly, urban hukou holding ...