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Paras Yadav: Why Uterine Aging Matters in Fertility and IVF Outcomes?
Paras Yadav/LinkedIn
Jul 18, 2026, 07:50

Paras Yadav: Why Uterine Aging Matters in Fertility and IVF Outcomes?

Paras Yadav, Embryologist Aveta IVF center, shared a post on LinkedIn:

“We often blame egg quality for age-related fertility decline.

But the data tells a different story: the uterus ages too – and it plays an independent, significant role.

Here is what the latest reproductive science reveals about the aging endometrium:

Structural Changes:

  • Endometrial thickness decreases by an average of 0.52mm.
  • Progressive loss of spiral arteries leads to reduced blood flow.
  • Increased fibrosis (scarring) and atrophy alter the physical environment.

Molecular and Cellular Shifts:

  • Overexpression of aging genes (FOXC1) and loss of essential epigenetic marks (H3K27ac).
  • Increased cellular senescence and inflammatory ‘inflammaging’ (IL17RB).
  • Decline in progesterone receptors (PGR) and receptivity markers (HOXA10), making the lining less responsive to hormones.

The Clinical Impact (Hard Numbers):

Even when we control for egg quality using donor eggs:

  • Women 49+ had a 31.7% live birth rate vs. 46.2% in women 35–40.
  • Miscarriage rates jumped from 24.2% to 37.6%.
  • Overall, advanced age lowers implantation odds by 27% and clinical pregnancy by 20% – independent of the embryo.

The Takeaway:

The uterine factor is real. As we push the boundaries of reproductive medicine, we must invest in anti-aging strategies for the uterine environment, not just ovarian reserve.”

Paras Yadav

Stay updated on all scientific advances in the field of fertility with Fertility News.

age-related fertility decline aging endometrium embryo Endometrial Thickness endometrium Fertility Fertility News HOXA10 IL17RB Increased fibrosis miscarriage Paras Yadav PGR progesterone receptors reduced blood flow reproductive health Reproductive Medicine uterine
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