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Dual Trigger Does Not Improve Egg Maturity in Egg Freezing – Fertility Plus
Apr 28, 2026, 00:48

Dual Trigger Does Not Improve Egg Maturity in Egg Freezing – Fertility Plus

Fertility Plus shared a post on LinkedIn:

“More Trigger Shots = More Mature Eggs for Egg Freezing? This Major Trial Says ‘Not Necessarily’ – Game-Changing News for Women Freezing Eggs!

When you freeze your eggs, the final ‘trigger’ injection is what helps your eggs reach full maturity before they’re collected. Many clinics use a ‘dual trigger’ – combining two medications – thinking it will give you more usable mature eggs. But does it actually work better?

A new randomized controlled trial put this to the test in 109 women under 40 with good (but not extremely high) ovarian reserve who were doing elective/social egg freezing. Everyone followed the same stimulation protocol. At the end, half received the dual trigger and half received just the GnRH agonist trigger.

The results were clear and reassuring: both groups got almost exactly the same number of eggs – around 9–10 total eggs and about 7–8 mature (MII) eggs per cycle. There was no meaningful difference between the two approaches. Hormone levels the next day were similar, and importantly, no one in either group developed ovarian hyperstimulation syndrome (OHSS).

For women in their 30s planning social egg freezing with moderate ovarian reserve, this means adding extra medication at trigger time didn’t deliver more mature eggs. A simpler single-drug trigger (GnRH agonist alone) worked just as well in this setting.

Egg Freezing, Fertility Preservation, Social Egg Freezing, IVF, Womens Health, Reproductive Medicine, Fertility Journey, Trigger Shot, OHSS, Evidence Based Fertility

For any inquiries or questions, please email.

Dual trigger versus GnRH-a trigger for elective fertility preservation: a randomized controlled trial. Fertility and Sterility. 2025″

Fertility Plus

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egg freezing Evidence Based Fertility Fertility Fertility Journey Fertility News fertility preservation GnRH Agonist IVF Mature Eggs OHSS ovarian hyperstimulation syndrome reproductive health Reproductive Medicine Social Egg Freezing Trigger Shot Women Freezing Eggs Women’s Health
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