Evidence-based reading for couples preparing for the next IVF cycle — his 50%, her 50%, and the 74–90 day window that shapes both. Every article is written and reviewed by Dr. Leila Fazlicic, D.Ac, L.Ac.
Start here: after a failed cycle
Why Did My IVF Fail If Everything Looked Normal?Often the cause was never measured — sperm DNA fragmentation, inflammation, stress, and sleep in the 74–90 days before your cycle.Was the Failed Cycle My Fault?
What “unexplained” IVF failure actually means — and the male-factor test most clinics never run.
His 50% — male fertility
Sperm DNA Fragmentation Testing: Cost, How to Get It & What Your DFI Number MeansWhat a DFI test costs, how to ask your clinic for it, and how to read a normal vs. high result — the male-factor test a standard semen analysis skips.Sperm DNA Fragmentation: The Missing Piece in Failed IVF
What the evidence says about DFI, when to test, and how to lower high fragmentation. Our most-read guide.Normal Semen Analysis, Failed Cycle: The One Test Nobody Ordered
A normal semen analysis can be true and beside the point. The test that is rarely ordered and frequently the answer.What Actually Lowers Sperm DNA Fragmentation in 74 Days
A high DFI number is a starting point with an expiration date. The evidence-based inputs that move it over one sperm cycle.His 50%: How Male Factors Drive Embryo Quality, Implantation, and Miscarriage
The sperm’s influence does not stop at fertilization — and why that is hopeful.
Her 50% — egg quality
Egg Quality in the 90 Days Before Retrieval: What You Can Still ChangeThe eggs for your next cycle are finishing now. The inputs with the strongest evidence — and what to ignore.It’s Not Just Your Age: How Daily Inputs Build Egg Quality
Your age tilts the odds; it does not run the egg maturation happening this month.
PCOS & fertility
Know Your PCOS Phenotype Before the Next CycleMetabolic vs. lean/hormonal — your phenotype decides which inputs actually move your biology before IVF.PCOS and a Failed IVF Cycle: What the Stimulation Protocol Doesn’t Fix
A PCOS cycle full of eggs can still fail. The metabolic environment stimulation was never designed to fix.Inositol, Sleep, and Insulin: The Pre-IVF PCOS Inputs With the Strongest Evidence
The short list: insulin, circadian rhythm, inositol, and a Mediterranean pattern.
Not sure where your cycle stands? Start with the 60-second Clarity Check.
Take the Clarity Check →