Immune System Attack: How It Hurts Fertility and What You Can Do

When your immune system attack, a malfunction where the body’s defense cells target healthy tissue instead of real threats. Also known as autoimmune response, it can turn pregnancy into a battlefield. Your body doesn’t recognize the embryo as "you"—it sees it as an invader. That’s why some couples struggle to conceive even with perfect sperm and eggs. This isn’t rare. Studies show up to 1 in 5 unexplained infertility cases involve immune system issues.

It’s not just about antibodies. inflammation, chronic low-grade swelling in the reproductive tract messes with egg quality, blocks implantation, and even alters hormone signals. Conditions like endometriosis, PCOS, and unexplained recurrent miscarriages often have hidden inflammation driving them. Then there’s autoimmune infertility, when the body produces antibodies that stick to sperm, eggs, or the uterine lining. These antibodies don’t cause pain or fever—they just quietly stop pregnancy before it starts. And most doctors never test for them.

You might think this is all about antibodies and blood tests, but it’s deeper. reproductive immunology, the science of how immune cells behave in the uterus during conception shows that timing matters. Too much immune activity at the wrong time kills the embryo. Too little, and infections take hold. It’s a tight balance. Some women with high natural killer cell counts never get pregnant. Others with thyroid antibodies miscarry repeatedly. And no, taking folic acid won’t fix this. You need targeted testing—and real answers.

The posts below don’t just talk about immune problems. They show you how inflammation links to skin infections, how medications can trigger immune confusion, and how metabolic issues like PCOS and prediabetes feed into this cycle. You’ll find real-world strategies: what blood tests to ask for, which supplements calm immune overactivity, and how to spot if your fertility drugs are making things worse. This isn’t theory. It’s what works for women who finally got pregnant after years of failed cycles.