They send it to you Tarn, but if you haven't received it yet, perhaps give them a call and chase it up. Mine didn't arrive and when I rang them, I was all booked in but no one had put me on the 'calendar' as such, so I'd been overlooked!
The Buserelin headaches aren't nice, but you're halfway there with injections so hang in there Margs!! I failed to down regulate (unusual) so ended up with an extra 2 weeks of Buserelin
Take it easy both of you, drink lots of water and keep your diet as healthy as possible - and rest, rest, rest!! I felt like I'd been thrown against a wall most of the time.