I just wanted to add something about thyroid problems postpartum. The people who are pushing the boundaries in thyroid research are beginning to say that PPD is caused by thyroid disorders much more than previously believed. Part of the problem is that many Drs., including endocrinoligists, adhere to strict, but arbitrary ranges of what is normal for TSH levels. However, some people can even have severe symptoms and still be within "normal" range. Anything over a 2 is now being considered suspect by the more advanced researchers. Previously, warning signs were not heeded unless the TSH went over 4.5 or 5. Each person is different. Also, it appears that stress on the body and mind can affect thyroid function. Think about how you've functioned under times of extreme stress in the past. If you are not responding in your usual way, and are less capable of coping now, you might have a physical problem which is hampering your ability to rally. I believe that most cases of chronic depression are caused by physiological disorders. Some others do not, but it only makes sense. The body is a whole, not independently functioning parts.
To learn more, I've found that the following sites have helpful thyroid info:
http://thyroid.about.comhttp://www.mercola.com
Also, Mary Shomon's book, "Living Well with Hypothyroidism: What Your Doctor Doesn't Tell You...That You Need to Know," changed my life. Among other things, it caused me to ask my Dr. for the additional test that showed I had autoimmune thyroiditis (Hashimoto's disease). If I had just taken his advice based on the usual tests, I would believe that my thyroid was working fine, and still be plagued with symptoms. I've since found an alternative medicine M.D. that treats thyroid problems. I also see a classical homeopath which works in conjunction with my M.D. I feel so much better even though it's only been three weeks on thyroid hormone! My hair has stopped falling out, I'm warm, my anger and depression have miraculously lifted, and my brain fog has gone away. I can think clearly and quickly again, thank God! I'm me again and I like it.
I'm not saying you definitely have a thyroid disorder, however, your comment about confusion and not having your mind work very well sets of bells for me regarding thyroid. I hope this added info helps. My previous post was short as my dd needed some love and attention.
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