Your lack of libido and sex drive can be due to some psychological problem than a medical one. It is better to consult your physician for depression, which can be caused as a result of premenopausal symptoms. Thyroid problems and many other issues also can occur causing a reduction in libido. Your sexual life needs to be cared of in detail, for further evaluation. A counseling can also help easing out your situation. Usually, never damages after delivery are rare and if that happens, it would be reflected from the next year itself. Personal stress, tension and family problems can also contribute to your issue. Take care.