When HN users recommended it
1 HN user recommended this in 2020, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
1 HN user recommended this in 2020, in one comment.
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
You can donate blood, ask your doctor (insurance may not cover it), or use a simple at home test like this (Eldoncard Blood Type Test (Complete Kit) - Air Sealed Envelope, Safety Lancet, Micropipette, Cleansing Swab https://smile.amazon.com/dp/B00JFTSPMW/ref=cm_sw_r_cp_api_i_...).
I used one of the card tests and got an O- result, then when I had annual bloodwork done I asked my doctor to test it just because an O- result on the cards looks the same as a possibly defective card (card wasn’t defective, I did in fact beat the 25% odds and inherited the negative Rh factor from both my O+ parents).