I am in the same boat as this woman above. If you plan to have more children, you might want to get your husband to go for a blood test to see if he has Kell+ blood. Since my blood is so rare, should they be concerned, and is this something they need to have checked? My doctor explained my problem to my husband and I, where I cried until his results came back negative. Moreover, random chance can make a dominate gene go bye-bye even when the dominate gene doesn’t cause the death of many offspring who inherit it. Être A+ ou A-, O+ ou O-, quelle différence ? One antigen showed up in a our third pregnancy and now there are three with this fourth pregnancy. If the only plausible explanation is infidelity, then my goal would be to work on our marriage to stop the practice. They did a titer all they told me was that it is an 8 ?…. Thank you for the information it is helpful, I don’t know this helps when I had my first sugrey the hospital sent me this card and it reads: ABO GROUP:A, RH TYPE: POSITIVE, ATYPICAL ANTIBOTIES:K (uppercase). It will be a normal pregnancy, like your last one. I hope this pregnancy and any future pregnancies go smoothly and without complications! Is that possible? Kell would have also showed up on your initial blood test. Please, I need help, I have to make a decision within a day. Also I think maybe some people are getting g mixed up on this sight. Everyone would have two of these genes, so people with Kell positive blood are either “KK” or “Kk”, and people with Kell negative blood are “kk”. I am sorry that this got trapped in my comment filter and I just saw it. I’m the first child of my parents (Kk, my father is KK, my mother is kk). Someone put a bug in my ear that it could be infidelity and that one or more of my kids may not be mine biologically…. (noun) Dictionary ! Does this mean my SS2 has a Kell positive blood type and can I get him tested to see? How likely is it that an OB/GYN would have this on their radar if asked? Some people have it; some don’t. When my husbands blood came back, he is kell negative. What does it mean if I'm rhesus negative? If you and the father and both kell neg then your child will be kell neg. In addition, you have a fundamental misunderstanding of McLeod sydrome. Not only Rh-, m-n- and KK? if the mother has anti kell anti bodies and the father has a kell positive (heterozygous) Kk. There were three options on the 23andMe genetic test: K-k+, K+k-, and K+k+. I would recommend retesting Dad because a false negative is the most likely explanation. I had a blood tranfussion a year ago. Hope all turns out well — Kyra. Factors that determine transmission risk include whether a … For simplicity’s sake we’ll say brown eyes are “B” and blue eyes are “b”. If he is KK then they will definitely have the Kell antigen. Ok so I am pregnant with baby 4. After giving blood twice I recieved a letter letting me know I was A+ kell. so far me and my husband who is the father to both of my children, are barely finding out information on this. Hope that helps!!! Thus, all four  children could be kk and Kell positive blood would disappear from their genetic line. I’m pretty sure at least a few of the generations had multiple siblings of both genders. Synopsis. The Kell blood type system is highly polymorphic, meaning that there are many different alleles (alternative forms of a gene) - about 25! Your first born son will need to be tested to know for sure. I have Read your article a couple times and as a Mother with Kell antibodies, 2 Kell positive girls, your 150 years is extreme. They were pregnant again but lost the baby at 23 weeks due to the problem. The best news is that there is a lot they can do nowadays to keep a Kell+ fetus healthy until birth. My baby girl is due in 3 months, even with a c section I can bleed out. Something that drew me to this article is that my last name is Cary, as in Mary Boleyn Cary, mistress of Henry VIII. Thank in advance. **Please note, I am not a medical professional, so please forgive any errant use of medical terms in the following**. I hope he is not Kell positive, but I have to tell you that yes he could be. (obsolete) The caul. If there is no Kell positive fetus/embryo in your uterus then your body won’t be making the anti-Kell stuff to attack it with, so there shouldn’t be enough to show up. . About 500 members… So helpful!!y. After a patient has been identified with an antibody they will receive antigen negative blood for that antibidy the rest of their lives. I am little k cellano negative O positive is it hard for me to get blood if needed, please reply as I will need a operation soon I am little k negative o positive There is unlikely to be any insurmountable obstacles preventing your from having children … it may just take longer and be harder. Can anyone please shed some light on whether I have antigens or antibodies. Help. Once you get a bb in the mix those little b genes are lurking in every gonad. The test looks for … Thank you! This response is inaccurate. My third child, another daughter was born with no issues whatsoever. This is how immunohematology is performed on the antigen antibody reaction. Your husband would be the one who is Kell positive. If a mother is found to be Kell positive, the number of antibodies present is determined through the same testing and the mother is given a “score.” This score is referred to as a titer. I had two miscarriages a year ago. When antibodies are found on the mother’s red blood cells, the mother is referred to as being “Kell positive.” What Does It Mean to Be Kell Positive or Kell Negative? The good news is that a simple test will tell you if your son has it … and the better news is that I think it is highly unlikely. Today my husbands blood work came back as negative just as your husbands did. If the King had not had a “k” gene to give them, they would have died in utero or a few hours after their birth like their poor siblings did. They did blood work for my husband he turn out to be k negative. Hope that helps! I am anti-k (little k, used to be called cellano). However, not all of the ethnic groups share the same proportions of blood types. 2. Advice… Other articles have told me that the antigen is very common, while the antibody is not so much. I can’t find that group. It is an X-linked recessive disorder affecting the gene that produces the Kx protein. Any ideas on where the pos K people are from?? Does that help clear things up at all? What this means is you can place your iPhone on a wireless charging pad and the iPhone would charge wirelessly without having to connect a charger. I am anti-k (lowercase) so it is kind of like a cousin to Kell. It could be prevented if they would just screen. I am so sorry. 2. (I’m not sure I even asked these questions correctly). So, you touched on my question in another comment but I just want to ask in more detail because I’ve been able to find no information on the web…My brother is Kell positive and after his wife had their first child, she developed the antigen. To clarify what you seem to misunderstand, even blood bankers are guilty of calling “K’ the “Kell” antigen, and “k” the “cellano” antigen. For me this was a big shock, I’ve not had any blood transfusions and have had 2 very healthy boys. 2) All four kids are K positive. So if she becomes pregnant with a Kell-positive baby, her anti-Kell antibodies might cross the placenta and destroy the baby’s red blood cells. I didn’t have them in my first and haven’t had a transfusion. My OB says my blood is normal. Le rhésusest une particularité génétique : on est toujours du même rhésus qu'il soit positif ou négatif. Years later they had another child, also Kk. This means that you have antibody to Kell which means that if you did not have as blood transfusion that you were exposed to the Kell antigen when delivering your baby. After this I was informed that I could not only not donate blood but could not donate plasma, be a organ donor etc. Antibodies are found in serum/plasma. (Losing two babies in a row is very common; of every 1000 fertilized eggs 800+ don’t even make it to embryo, so your hormones will frequently “verify” a home pregnancy test based on an implantation that cannot and will not be viable.) He would have died had I taken that advice. READ MORE. However, not all of the ethnic groups share the same proportions of A positive blood types. Nor is she is a drug user. Your Guide to Prenatal Tests and Doctor Visits. As for the next pregnancy … luck will play a big part of it. Also, I would very much like to know how it is going. I hope your pregnancy is a very, VERY healthy one with no complications. If you test positive for COVID-19—or suspect that you have it—it is important that you follow recommendations from the Centers for Disease Control and Prevention (CDC) to stop the spread. Please understand, I have thought long and hard about this before posting… whatever the answer, the outcome will not end my marriage. Which means ONE (which one is anyone’s guess and it would take bloodtyping to find out) of your former pregnancies had a Kell positive fetus. I wish I could be more help. I will not be having any more children, but am concerned that it may be an issue for them when they have children. Did they double check? You are still A+ blood type (as am I). f. ferron52 @RnJess13, Thank you for responding. That episode stressed me out a lot I had to ask my parents about it without telling them Im pregnant… but im glad it was just a mistake. My ob/gyn also informed me it was not a good idea to have any other pregnancies, and when I had my first back surgery I had to donate blood for myself to be stored. In basic terms from what I read, Kell is where the mother's body attacks that fetus because it recognizes the fetus as a foreign invader. … After losing two pregnancies, I was blessed with three healthy babies in a row. My older sister and my younger half-brother and I all inherited his Kell. What does it mean to be “sex positive?” This is one of those terms that different people define in different ways; however, at the core of most definitions is the idea that we must recognize that human sexuality—in its diverse and myriad forms of expression—is natural and healthy. Was that the end of the drama? Titers of 1:8 or higher are considered critical for Kell. Usually the blood is taken from the baby’s cord while it is attached to the placenta following delivery. If your sons know they are carrying the Kell gene, then their partners can give the docs an early heads-up. So far, I have no answers. I didn’t really understand it at the time but I was told something about other blood groups (m-/n-?). Your daughter should have no issues (related to blood type) and your son’s partner (if he chooses to have kids as adult and falls in love with a reproductively viable woman!) will that cause his death? Please tell me if I didn’t. If your husband is Kk then the babies could have the Kell antigen. Hi! If you go for a third or more, there is some risk and make sure you let your OB/Gyn know you have the Kell antibodies. Oh ya, and meant to say that the blood transfusion is how I got the kell. I have the very rare Kell Kk polymorphism and had several early miscarriages, at least two of my five adult sons who have been tested are carriers and I have a grandson. If he has kk, then it’s all clear because he cannot give any offspring the Kell antigen gene. So of you are Kk, then are you positive or negative? Your son will be fine . The funny thing about a Kell positive blood type is that the Kell antigen is passed on by a dominate gene, but even though it is dominate it is rare; less than 10% of the people in the UK have it. The antibodies are usually made after a blood transfusion.. If it DOES inherit the Kell bloodtype then your body will attack it again. Assume all will be well. I do agree severe inbreeding made any number of genetic problems in his babies reasonable, but one can hardly narrow it that far. I am very, very glad baby #9 is doing well and I hope he or she has zero problems before, during, or after the birth. Some people have it; some don’t. Or am I not understanding this at all? If your body had a really strong response vis-a-vis antigens, then only your body can handle your blood, plasma, ect … Also, a really strong anti-Kell response by your body might indicate a significant risk for your next fetus, in spite of all the medical technology, if it is Kell positive too. Please STOP advising people that if they are kk, and partner is KK or Kk, they will only be able to have one child that is Kk. Probably Anti-K based on what you described. What blood tests do I need during pregnancy? Not sure if you are Kell Positive or Anti-K. Am I at risk for anything because of this antigen?? O positive blood type is about 37% in Caucasians, 47% in African American, 53% in Hispanic, and 39% in Asian. I see there’s some confusion about Kell vs. Anti-Kell. I sincerely hope all of your subsequent pregnancies bring you such joyful results as well! Also, multiple miscarriages could have been because of a physiological issue in the mother, as well. We are waiting for my son’s results right now. There’s really not much information out there for this problem that many young moms face today. The #1 explanation for unknown antibodies is a false positive test or clerical error. So no, it is not rare. This blood type is present in about 33% in Caucasians, 24% in African American, 29% in Hispanic, and 27% in Asian. If it is a first pregnancy, then the mother’s body will not attack the fetus even if it is Kell positive. Let’s say mom has brown eyes of BB and dad has blue. First, I am not a doctor so please don’t hold me up as ‘real’ medical advice! At 33 weeks, she is with the range of viability so even if your body starts attacking they can induce your labor and ‘rescue’ her from a hostile uterine environment. And after my second one (a week later) I had blood work done and it came back that I had Anti Kell. Could I get severe anemic? 5 yearsz ago i had my 1st son and had to have an emergency c-section which caused me to have blood transfusions to save my life. Your spouse must be Kell Positive (no harm- just something attached to his blood- and about 10 percent of the US population). The person who proposed to my has the blood type O+ but with kell antigens First, people who are Kell positive are most likely to be Kk instead of KK Why? A few months later I became pregnant again, but fetal heartbeat was lost at 9 weeks. Either way, I wish you the best of luck!! Looking for a shoulder to cry on while I go through this process. I hope it all works out perfectly!! To have Kell positive blood means you have at least one of the Kell antigens on your red blood cells. But my husband did not get tested.and if he is postive why would all my other children be fine and why did it just show up 2 years ago .I had the blood transfusion in 2003 and I have had 3 kids in that time all boys.and I had 3 already before that.could my husband still test postive?I am 15 weeks now with my 8 and my level is high at 1.8? I’m 34 years old. This means we can use the Punnett square again and see the genotypes of the offspring of a brown-eyed person (BB or Bb) and a blue-eyed person (bb). READ MORE. Think of the protein as the “foundation” the K, k, K3, and many other Kell system antigens “houses sit” on. The baby is ok, but now I’m really worried about my next pregnancies. Thank u multiple pregnancy losses are agonizing to go through this process a lot of info online… just researching. What would happen if a Kell-positive father impregnates a Kell-negative mom is somehow exposed to RhD positive status her... 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