rachel re knickers, they definitely need to be big. Not only do you need them to be able to have space for a massive maternity pad, but you might find you swell up as a result of labour. I swelled up that much it felt like my skin would split, and i couldn't bend my legs at all. So i ended up with DP going to Tescos to buy massive granny knickers, as i was so big compared to usual. Also re quantity, i used quite a few pads during labour, as my waters broke and then contractions started about an hour after, and the waters continued to come out every time i moved, so plenty of pads were essential!
Re a wedding 2 weeks after birth, god no, i couldn't have done that. Admittedly i was in a bad way, taking anti biotics, iron tablets and 3 types of pain killer, i think was 28 tablets a day to start with. But even if i hadn't have felt so bad, i'm not convinced i'd have wanted to go to a wedding or anything else that soon. I don't think i left the house for a few weeks, and yes there were plenty of days where i couldn't even find time to have a shower, or if i had a shower by lunchtime i was viewing it as a major acheivement. Days were completely swallowed up by non stop feeding/changing/winding/puking, and as DS had reflux, there was lots of puking, which then meant feeding all over again...and never mind the mountains of washing he created by puking...i used to have lots of bottles of squash ready at the bedside, and snacks, and if i was lucky i'd manage to make myself a sandwich at lunch, and tea usually had to wait till DP got home, and i'd eat it with a spoon whilst feeding DS. But then i'm sure there must be some people out there who had a great birth, and had a baby who didn't have reflux, and who would willingly sleep flat in their moses basket etc.....my DS would only sleep if upright on me, or if in the car being driven around. Hence being so unable to get anything done as i was invariably stuck on the bed, feeding him, winding him, or with him sleeping on me, with the variety being getting off the bed to change him or to clear up puke. And there is no way i'd have wanted to be at a wedding like that! Its all well and good wearing 5+ t shirts in a day, but at 2 weeks post birth i'd have struggled to find an outfit that would fit, and allow access to boobs for breastfeeding, never mind several spare outfits to allow for puking baby! Plus i was very self conscious of breast feeding in public in the early days, its a learning curve and the last thing i wanted was people staring at me, and we didn't actually have any problems establishing breast feeding.
Re sleeping on left, it is important to sleep on that side as much as possible, as it can affect blood thus oxygen supply to the baby. Sleeping on the left also encourages the baby to be in the best position for birth, rather than being back to back, which is how DS was positioned. And i would personally recommend everyone does everything they can to avoid having a back to back baby. I wish my midwife had bothered to stress this more to me when i was pregnant with DS. May not have ended up with an EMCS and nearly lost him if he hadn't been back to back....