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Natural Killer Cells – what are they?
After a three-year struggle to conceive, Lucie Cave discovered she had lsquo;natural killer cells ndash; a condition which most women trying to get pregnant have never even heard of.
- NK cells are sub-types of white blood cells which, as part of the bodys defence mechanism, fight infection.
- Every organ has particular NK cells to protect it, with the womb having the most. Here, NK cells are set up to help blood supply development to the foetus, and to recognise that foreign cells coming into the body from the father or egg donations are body-friendly.
- However, if you have a higher number than normal of these NK cells, or theyre more aggressive than is usual, they may attack rather than protect a pregnancy and cause a miscarriage.
- In some cases, high levels of NK cells can prevent implantation/pregnancy in the first place. It is possible to treat women who have problems with both conception and miscarriage.
- Dr Shehata says: lsquo;Steroids are the main drug used as treatment and they work by reducing the percentage of NK cells in the womb. Then there are intralipid infusions and other drugs that we use and combine, according to tests weve done.
- Everyone has different levels of NK cells. Treatment has to be tailored to the individual. lsquo;Once a woman is identified as having NK cells, my job is about getting the right combination of medication to get the right balance in the cells, says Dr Shehata.
- Medication is reduced gradually after 12-16 weeks. lsquo;By 10 weeks, the foetus starts producing its own steroids, says Dr Shehata. lsquo;I advocate weaning off the treatment from around 12 weeks, then the baby and the placenta produce natural components of these immune substances themselves.
- Most doctors are aware of the condition. However, the treatment has not yet got enough scientific proof of being effective or safe to be offered on the NHS. It is only available privately and costs around 2,500.
Lucie tells us her real-life story about Natural Killer Cells, and how she found a cure for her miscarriages.
lsquo;Im so sorry, Ms Cave, Im afraid we cant detect a heartbeat. It was the second time in three years Id been pregnant, and the second time the doctors had given me the devastating news Id had a lsquo;silent miscarriage.
I was told it was lsquo;perfectly normal for someone of my age to miscarry
This meant that I didnt know anything was wrong with the baby I was carrying until I went for my first scan. Id just hit my 40th birthday and in a few months I was due to marry Ben. I was told by my NHS doctor that, while it was sad and unfortunate, it was lsquo;perfectly normal for someone of my age to miscarry.
lsquo;Just keep at it, she said, insisting there was no cause for concern until Id had three or more miscarriages. I kept trying to tell myself that getting pregnant in the first place was the hardest part, but the thought of going through the same thing again only to find out it hadnt worked was almost too much to bear.
Then I found my miracle ndash; when I was having my eyebrows waxed!
My facialist was talking about her little girl. She told me shed miscarried four times before she got lucky. Like me, shed been told by her doctor to lsquo;keep at it, but she couldnt fight the feeling there was more to her situation than just bad luck.
Determined that there must be someone who could help her, she trawled Google and found Dr Hassan Shehata, a specialist in miscarriages (miscarriageclinic.co.uk).
Among the articles shed read about his work was a case study of a woman whod had 20 miscarriages over 10 years. He and his team identified her own bodys natural killer (NK) cells had ended her pregnancies. He gave her a bespoke treatment of drugs and the woman went on to have a healthy baby boy.
My facialist had visited Dr Shehata and was diagnosed with the same condition. Following treatment she was able to have her little girl, and since our chat has had a baby boy.
Several blood tests later came the bombshell that I too had a very high count of NK cells
Not surprisingly, I went to see the wonder doctor for myself. Several blood tests later came the bombshell that I too had a very high count of NK cells. It sounded bad, but Dr Shehata told me that this was lsquo;very good news, because now I could finally start to get answers, treatment and help in maintaining a pregnancy full-term.
I was prescribed treatment to calm down my immune system. There were steroids, to stop the NK cells attacking the pregnancy, and Cyclogest pessaries, which balance the immune system and give hormonal support. I also had infusions to help calm down the NK cells, and 75mg of aspirin daily to improve the blood supply to a growing foetus. In addition, I had the vitamins all women wanting to become pregnant should take, including vitamin D and folic acid.
I didnt have any side effects from the treatment, apart from getting a slightly puffy face when the steroids were at their highest dose. If anything, I actually had more energy than normal.
Dr Shehatas pioneering work isnt just about immune therapy, but also, crucially, around timing of the treatment. He starts treatment from the time of ovulation rather than pregnancy. So Ben and
I were instructed to refrain from having sex until the steroids had started working at a sufficient rate to prepare my body for pregnancy.
I bought an ovulation kit and peed on it religiously every day
I started the immune therapy at the end of September last year. Determined not to miss a window of opportunity I bought an ovulation kit and peed on it religiously every day which, as anyone whos done this will testify, turns love-making into a regimented science lesson. Ironically, it was only when we forgot to use the kit on holiday that it actually workedhellip; and five weeks later, in January, I was pregnant!
On Dr Shehatas instructions, I upped my dose of steroids and waited nervously until our first scan at six weeks. I had previously had private scans at eight weeks, and each time they hadnt been able to detect a heartbeat, so Ben and I could hardly dare believe that it might have worked.
Dr Shehata wasted no time starting the ultrasound and, with a smile, uttered the long-awaited words: lsquo;Theres a heartbeat. After that, we counted the days until we were past the 12-week mark before allowing ourselves to get excited. We had a blood test to check for Downs syndrome, which came back low risk. Then we were asked if we wanted to find out the sex. We did. We were expecting a boy! Dr Shehata was incredibly patient and, when Ben asked to see lsquo;the evidence, he obligingly labelled up a lsquo;willy pic ndash; an interesting way to start the family album!
Once I got past the 12-16 week mark, I was treated as a normal pregnancy. Im now nearing the end of my eighth month. We still havent got a name for our son (at this rate he might get called lsquo;Steroid), and we cant believe were finally going to meet him in a few weeks. I pinch myself every time I think how lucky I am that I have such hairy eyebrows! If it hadnt been for a chance chat with my facialist, I might never have found my miracle doctor.
Since we interviewed Lucie, she has given birth to a healthy and happy baby boy, Ridley. Congratulations Lucie!
A photo posted by @luciecave on Oct 17, 2015 at 5:15am PDT
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