Why do you need such little blood? Hertility Support Team August 20, 2021 14:12 Updated Hospitals and GP’s usually tend to collect extra blood in case they have to run more tests, however, we only test you for the panel of hormones stated in your order summary. Related articles Will my results be inaccurate if my sample is delayed in the post? Do I need to fast before taking the test? I don’t want to prick myself. Can I get my blood drawn by a professional? When should I return my sample? How do I determine day 1 of my cycle? Comments 0 comments Please sign in to leave a comment.