sardonyx, you can try those shops like venus, CK etc. I am in AMK and both these shops got sell. But you can also just buy the normal pads too, don't really need the maternity ones.
littledotty, my edd mid may but also experiencing back pain, but mine more specifically on left side of back.. then when hubby help me massage, he said wa the left side like more swollen then the right side! hmm but after this long weekend, it seems better now. usually will hurt more when I sit down though hmm..