I use a warm rice sock wrapped around my breast when nursing. (justbreastfeeding.com)
Or that some microwaved wash cloths, a chux pad, and some tape make a bigger, better, and warmer heating pad than any branded rice sock ever could. (doulasofcincinnati.com)
Things that help: keeping knees together as much as possible such as getting in and out of bed or trying to avoid stepping to the side, a hot rice sock on your privates, chiropractic care, massage, resting as much as possible, sitting on an exercise ball helps for some and for others make sit worse so experiment. (health-and-parenting.com)