 [ Symptoms ] i got my blood ferritin level checked as i was feeling exhausted it is low [ Disease ] as soon as you can be 100 sure of gender is when they are born before that you do have to rely on the skill and experience of the ultrasound technician six weeks is a little early to offer a definitive answer we used to affectionately call this weiner hunting so be patient your baby will either be a boy or a girl there is nothing you can do to change it now