Midwifes found it hard to get blood from me said due to not eating or drinking enough as I was…

Midwifes found it hard to get blood from me said due to not eating or drinking enough as I was working the night before and had slept most of that day trouble is I'm working the night before again when they next want to see me ... I guess I will just have to try and drink loads when I'm awake and eat xxxx listened to baby heart beat they are doing really well will find out on This Thursday if boy or girl as I have my second scan xxx