Hi: Low back ache could of vaiety of reason, The common being muscle spasm and lumbar disc problem.Osteoporosis
is one of the concern in her. I need some more details like age of your mother when uterus
was removed, whether ovary was retained or removed, was she on any hormonal
supplement, Her weight. Since she has weight gain and leg swelling, Hypothyroidism
has to ruled out in her case.