The medical term used to describe "absence of periods" is amenorrhea. Women normally do not menstruate before puberty, during pregnancy, and after menopause. If a woman does not get her period when she normally should, it may be the symptom of a treatable medical condition.
There are two types of amenorrhea: primary amenorrhea and secondary amenorrhea. Primary amenorrhea is when a young woman has not had her first period by the age of 16. Secondary amenorrhea is when a woman who has had normal menstrual...
Set aside time to be alone or alone with your partner, without children and other distractions.
Use erotic videos or books to increase arousal.
Masturbate to learn about what increases your arousal.
Fantasize about what arouses you sexually; if appropriate, tell your partner about these fantasies. Use sensual massage and other forms of touch.
Try new sexual positions or scenarios.
Use relaxation techniques such as a warm bath before having sex.
Use a vaginal lubricant to relieve arousal problems due to vaginal dryness.
Several excellent books are available in mainstream bookstores or from mail-order sources to help couples deal with sexual and communication problems. Many people prefer this "do-it-yourself" method to talking about these problems with an outsider.