I had one at 27 weeks and will be having another at 35 weeks

I was 37 weeks

Ok good lol so there's no set guidelines !

I was 7 months

we ars having ours at 36 weeks exactly

To me, as long as you're after the point where baby will live if you give birth. Nothing worse than having a room full of baby stuff and no babies. :(

ill be 8 months for mine

It's up to you!