I understand the overwhelming worry about feeling/staying healthy. All I can think of when I start to feel sick or eat something "not so good"...is omg, if something happens to me, K goes to her Dad and OW. no No NO.
Slacks aren't too casual, really. I would say a dark skirt/slacks and a light shirt...lt. blue, lilac, white, beige. Just something that doesn't look too flashy. You just want to look put together and mature, dependable, reliable...you get the picture. You WILL be fine, really!!!
M 5yrs 1st baby-girl born 6/18/08 Bomb: 10/13/07 OW - I was 6wks Prego H Moved in w/OW: 11/2/07 D Final 07/10 OW had his baby 3/17/09-so her Me, now - happier than I ever was with him