I'm exactly the same as you baby 4 weeks old and just had my birthday with lots if money and vouchers!
I'm 5'6 and size 8-10 lucky enough to be able to get into most my ore pregnancy clothes, sometimes with a little hairband or bump cover (like boob tube) over jeans if they are a tad to tight!
I'm also breast feeding but I refuse to dress just because of this, I wear what I like only thing I would avoid if out and about would prob be a dress at this stage as tops and jumpers can easily be pulled up!
I'm not rushing to spend my money and I'm looking around a lot, lots of trips into town seeing what's about!
So far I have brought in next some lovely blue denim leggings, a loose fit fine knit grey jumper with 3/4 length sleeves and has a sort of pleat detail at back it came with a blue patterned scarf but you can use any scarf! It looks lovely with the jeggings and biker boots!
I also brought some lovely black shiny leggings in next, really nice think material that I can dress up or down! I wore these for a night out on Saturday with heels and a sequine detail cropped length top!
I'm currently looking around at poncho and tube skirts and a pair of flat knee high boots in brown and black but this is more tricky as I have very skin calfs!
I'm planning a complete wardrobe clear out!