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Sunday, October 16, 2005

Pregnancy and heparin

I am currently 10 weeks pregnant with my 6th and only so far successful pregnancy. My mother is a Phlebotomist, and she had suspected with my previous pregnancies that I had a clotting problem which may have contributed to my miscarriages. I am also Rh neg. When I discovered I was pregnant again, I demanded my doctor put me on heparin. At first he was hesitant, but after talking to my mother about my blood work, he put me on 5,000 units twice a day via injection. I have seen a reproductive specialist up to this point. My CBC's and PTT's have continuously come back in normal range up to this point. My Specialist recommended I stop my injections when I am 12 weeks pregnant. I am having a hard time finding any information on my circumstance, and was wondering if you have ever had a patient in my scenario, or know if my blood starts clotting after 12 weeks, how detrimental that would be to my baby. Also do you have any resources on my condition. Thank you.


Dear Tracy,

I'm not sure I understand what your condition is. Based on what you wrote, you are on heparin because you insisted on it. However, heparin is the appropriate treatment for specific conditions such as clotting factor problems or unusual antibodies (eg. factor V Leiden, or anti-phospholipid antibodies) . These tests are different from basic clotting studies like PT and PTT. You need to have a diagnosis in order to figure out whether you need heparin and how how long you should be on it.



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