BMI and IVF: What Weight Loss Has and Has Not Been Shown to Change

by Dr. Lejla Fazlicic, D.Ac, L.Ac | Sep 23, 2026 | Female Fertility

Evidence-based · Written by Dr. Lejla Fazlicic, D.Ac, L.Ac · All key claims cited to peer-reviewed research The short answer: Higher BMI is consistently associated with lower live birth after IVF. But every adequately designed randomized trial of losing weight before...

Saunas, Hot Tubs, and Fever: What Short Bursts of Heat Do to Sperm

by Dr. Lejla Fazlicic, D.Ac, L.Ac | Sep 22, 2026 | Male Fertility

Evidence-based · Written by Dr. Lejla Fazlicic, D.Ac, L.Ac · All key claims cited to peer-reviewed research The short answer: Do hot tubs lower sperm count? Short, intense heat does measurably change sperm, and the same studies that found the change also...

Laptops, Long Drives, and Desk Chairs: How Much Do Everyday Heat Sources Really Matter?

by Dr. Lejla Fazlicic, D.Ac, L.Ac | Sep 19, 2026 | Male Fertility

Evidence-based · Written by Dr. Lejla Fazlicic, D.Ac, L.Ac · All key claims cited to peer-reviewed research The short answer: Does laptop heat affect sperm? A working laptop resting on the lap does raise scrotal temperature by a measurable amount —...

Is Vaping Safer Than Smoking Before IVF? An Honest Look at the Evidence

by Dr. Lejla Fazlicic, D.Ac, L.Ac | Sep 17, 2026 | Failed IVF & Next Steps

Evidence-based · Written by Dr. Lejla Fazlicic, D.Ac, L.Ac · All key claims cited to peer-reviewed research The short answer: Almost certainly less harmful than smoking — and not established as safe, and not a neutral choice. Those two halves have to be said together....

Does Heat Affect Sperm? What the Evidence Actually Shows

by Dr. Lejla Fazlicic, D.Ac, L.Ac | Sep 16, 2026 | Male Fertility

Evidence-based · Written by Dr. Lejla Fazlicic, D.Ac, L.Ac · All key claims cited to peer-reviewed research The short answer: Does heat affect sperm? Yes, but with important limits on what that means. Raising the temperature of the testicles measurably...