I'm not sure if it's normal but if it we're me I'd be a little concerned that she lost 2. That's just me though, it may be completely normal. hopefully, someone on here knows more about that. I'd go on the waitlist but I'd also check around. Never hurts to check, you may find a breeder that you like more. I know when our breeder called us, I still checked around for a few days before putting my deposit down. It gave me time to check everything, and let the pups develop a bit before choosing and ensured I got the pup I truly wanted bc I tend to jump into things. After looking and talking with a few breeders, I just knew I preferred our breeder. I prefer summer pups too, that way their potty trained before winter! Our winters are cold! lol