I took Soy Isoflavones when I was trying to conceive my third child. I took it for one cycle from cycle day 3-7. Only for 5 days! Because the cycle I took it was also the cycle I became pregnant, I didn't take anymore. I feel that 5 days is not likely to do significant harm.
According to Web Md, "Taking dietary supplements with soy extracts is POSSIBLY SAFE when used short-term (up to 6 months). Long-term use of high doses of soy dietary supplements is POSSIBLY UNSAFE" (Soy, 2016).
I was diagnosed with Graves that is causing me to have hyperthyroidism. The articles below discusses Soy leading to hypothyroid. So I do not believe using Soy is what caused me to get Graves.
A study in The Journal of Clinical Endocrinology and Metabolism reported "that researchers fed some subjects 16 mg of Soy Isoflavones, the amount found in a typical vegetarian diet. Others 2 mg of Soy Isoflavones found in most omnivore's diets. The subjects fed 16 mg were 3x more likely to cause patients to convert subclinical hypothyroidism to overt clinical hypothyroidism. The study is here" (Gilkerson, 2016).
According to Live Strong, "Researchers at the Weston A. Price Foundation say soy isoflavones have a direct correlation with increased thyroid disease. Soy isoflavones can cause goiter and hypothyroidism by interfering with thyroid hormone synthesis. Thyroid dysfunction typically can be avoided as long as sufficient levels of iodine are added to the product, which is a protocol followed by most commercial producers of soy products.
Side Note: Most of the prenatal vitamins I was taking while trying to conceive did have Iodine in them as well. I mostly took the Rainbow Light. I also took 1 jar of the Mega Food. I posted the charts below. The only exception was when I took Spring Valley brand, which was not often by that point.
Even though Graves has no known cause. There are certain risks. It occurs in more in women than men. I can check that box as I am female. It occurs in people under 40. I am 27. But the 3 reasons I believe caused mine are Childbirth, Endometriosis, and Genetics.
"While endometriosis is not itself an autoimmune disease, our review found nine studies that suggest that women with endometriosis may be at higher risk of several autoimmune diseases, including systemic lupus erythematosus, Sjögren’s syndrome, multiple sclerosis, rheumatoid arthritis, inflammatory bowel diseases (such as Crohn’s disease and ulcerative colitis), and coeliac disease". From this website here.
I think this does confirm it is not Soy related, but genetic related. Yes, I am glad it happened before PPAF. With my TSH being below normal, I am not sure vitex can bring PPAF anyways. Not until this thyroid issue is resolved more. I'll have to see how things look in April to have a better idea.
Sources
1. Gilkerson, Trisha. "5 Foods That Can Wreck Your Thyroid." Whole New Mom. Mediavine Publisher Network, 05 Aug. 2016. Web. 29 Dec. 2016. <http://wholenewmom.com/health-concerns/5-foods-avoid-hypothyroidism-thyroid-disease-thyroid-diet/>.
2. "Soy." National Institutes of Health. U.S. Department of Health and Human Services, 01 Dec. 2016. Web. 29 Dec. 2016. <https://nccih.nih.gov/health/soy/ataglance.htm>.
Last Edited: February 18, 2017

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