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The IVF Fertility Blog

Blood Type O and Fertility

The latest research by reproductive endocrinologists at Yale University have found evidence linking blood type and the ovarian reserve of older women.

In their study published in Oxford's Journal of Human Reproduction at the end of June, endocrinologist Lubna Pal and her colleagues examined the FSH levels of nearly 600 women with an average age of 35 who were exploring assisted reproduction options.  The experts were able to find that women with type O blood were "twice as likely as those with blood types A and AB to have FSH levels high enough to indicate they had diminished ovarian reserve" (source: MSNBC).

High FSH levels tend to increase as a woman's age increases and indicate a woman's ovaries no longer have a lot of eggs, further diminishing their chance of becoming pregnant naturally or via IVF procedures.  Pal and her associates hope their study can be used as a preventive measure for women wishing to eventually become pregnant, with a simple blood test becoming a routine procedure for younger women in order to foresee potential fertility issues down the road.  Further investigation is required to determine why women with type O blood may be more susceptible to fertility issues early on; however, the findings produce an interesting viewpoint concerning the biological clock issue, suggesting that even if women want to wait, they should still consider taking steps towards predicting their fertility later on.  In doing so, women can then take the steps necessary to preserve their fertility.

At New Hope Fertility Center, we offer the fertility preservation methods that are valuable to those who want to wait but also want to ensure their chances of getting pregnant later on.  We encourage this study and others like it that are looking for the various ways to assist women, young and old, in their journeys to motherhood.

Topics: Fertility, Flash Freezing, Vitrification, Oocyte Freezing, IVF, Egg Freezing, Research, Infertility, Fertility Preservation

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