Fertility Blog

Fertility treatment can make every health decision feel high-stakes, especially when new research raises questions about weight and pregnancy outcomes. Here, we explain what the latest findings show and how to plan your next steps without shame or pressure. AT A GLANCE → This large retrospective study examined 14,990 patients undergoing their first single euploid frozen embryo transfer (FET). → Early pregnancy loss occurred in 19.5% of patients with obesity and 15.9% of patients without obesity—a difference of 3.6 percentage points. Approximately 4 out of 5 patients in both groups did not experience early pregnancy loss. → The study found an association between BMI and miscarriage but does not prove that higher BMI caused the losses or that losing weight before IVF would prevent them. → BMI does not capture metabolic health, nutrition, body composition, sleep, stress, or individual medical circumstances, so treatment decisions should be personalized. + Table of Contents The Impact of Weight on IVF Success 2026 Embryo Transfer Study Findings Does a higher BMI increase your chance of miscarriage? What This Research Means for Fertility Patients What This Study Can’t Tell Us Beyond the Scale How Illume Supports Your Health Do I have to lose weight before IVF? Frequently Asked Questions

Trying to eat well while juggling fertility treatment, a busy schedule, and everything else life throws at you? This quick-start guide from our fertility dietitians will help you simplify meal prep, snack smarter, and stay nourished without the stress.

Boosting your fertility starts with what’s on your plate! Whether you’ve been referred to a nutritionist or just want to take control of your health, knowing what to expect can make all the difference. This guide explores how a fertility nutritionist can help you, what your first visit will look like, and why personalized nutrition is a game-changer on your path to parenthood.

Preparing for pregnancy starts long before conception. By taking proactive steps now, you can boost your fertility, improve your overall health, and set the stage for a successful pregnancy. Follow this simple, step-by-step 90-day plan to optimize your health and fertility.

Trying to conceive and want to make sure that you and your future baby-to-be are as healthy as possible? We've got some good news! There are some simple lifestyle and nutrition changes you can make that will have a big impact.

Understanding the menstrual cycle is an essential part any fertility journey, especially for those planning for pregnancy. Knowing when you’re ovulating can help optimize your chances of conception. But what if you have irregular periods? Does cycle irregularity equal infertility?

Endometriosis is not only a painful and often-misdiagnosed disorder, but if left untreated it may also lead to fertility struggles. In the video below, Dr. Spencer Richlin, a board certified Reproductive Endocrinologist at Illume Fertility, speaks more on what exactly endometriosis is, how to manage symptoms, and what it all means for a woman’s fertility.

Did you know that more than 200,000 people in the U.S. are diagnosed with endometriosis each year?