What’s wrong with sugar!?!
Blood Sugar and Fertility: What Every Woman Should Know About Sugar and Carbs
If you’ve been trying to figure out why your energy crashes by 3pm, why your periods feel unpredictable, or why getting pregnant is taking longer than you expected, your blood sugar might be part of the answer. Blood sugar imbalances are one of the most common, and most overlooked, contributors to fertility challenges and hormone symptoms in women in their 20s, 30s, and 40s.
Why Sugar and Carbs Affect Your Fertility and Hormones
Sugar and carbohydrates are essentially the same thing to your body. Bread, pasta, crackers, chips, muffins, and sugary drinks all break down into sugar once they hit your bloodstream. That’s not a problem in small amounts, but the typical American diet leans on carbs at almost every meal, and over time that steady sugar load can throw your blood sugar regulation off balance.
Frequent blood sugar swings, spiking high or dropping low, can contribute to a range of issues, including:
- Difficulty getting pregnant
- Hormonal imbalances and irregular periods
- Polyendocrine metabolic ovarian syndrome (PMOS), the condition formerly known as PCOS
- Higher risk of miscarriage and pregnancy complications, including gestational diabetes
- Fatigue, brain fog, anxiety, and low mood
- PMS and weight gain
In our 31 years treating women’s health and fertility here in Piedmont, blood sugar is one of the first things we look at with almost every patient, whether she’s managing PMOS, trying to conceive, or just trying to feel like herself again.
How to Start Balancing Your Blood Sugar
Blood sugar responds faster to diet changes than most other hormone imbalances we treat. Here’s where we usually start with patients.
Eat protein first thing in the morning
A high-carb breakfast, like a pastry and a sweetened coffee, throws your blood sugar off balance for the rest of the day. Starting with eggs, a protein shake, cottage cheese, or high-protein Greek yogurt keeps things steadier from the start. (See our related post on high-protein breakfast ideas.)
Eat every 3 to 4 hours
Long gaps between meals let blood sugar crash, which triggers cravings and mood swings. A small snack, even just a handful of nuts, helps keep things even. (See our post on snacks that support fertility.)
Balance your macronutrients
A rough target of 40 percent carbohydrates, 30 percent protein, and 30 percent fat is a helpful starting point. An app like myfitnesspal.com can help you see where your current eating patterns land.
Include protein at every meal and snack
Most of us get plenty of carbs and fat without trying. Protein takes more intention. Building it into every meal and snack, not just breakfast, makes a real difference by the end of the day.
Eat a variety of foods
Rotating your protein sources, healthy fats, and produce gives your body a broader range of nutrients and keeps meals interesting, which makes the changes above easier to stick with long term.
Supplements That Support Blood Sugar and Egg Quality
Nutrition changes are the foundation, and certain supplements can support the process, especially with PMOS or when blood sugar issues are affecting egg quality.
Inositol is the supplement we lean on most for blood sugar regulation. It’s well researched for supporting egg and embryo quality too, which is why it’s often the first thing we add. We recommend Ovasitol by Theralogix (code 194610 for 15 percent off).
Melatonin isn’t just for sleep. Beyond helping you fall asleep and stay asleep, it also has research behind it for egg and embryo quality. Theratonin by Theralogix is what we recommend (code 194610 for 15 percent off).
CoQ10 works at the cellular level, supporting the energy production your eggs need to mature well and divide correctly. We recommend NeoQ10 by Theralogix (code 194610 for 15 percent off).
You can also find all three, along with our full PMOS protocol, through our online store at Fullscript. Pricing runs a bit higher there than ordering direct through Theralogix, though Fullscript carries a wider variety of other supplements if you’re looking to build out a broader plan.
Frequently Asked Questions
Can blood sugar issues really affect fertility?
Yes. Blood sugar imbalances are one of the most common underlying contributors to fertility challenges, including irregular ovulation, PMOS, and pregnancy outcomes.
What are early signs of blood sugar imbalance?
Common signs include energy crashes after meals, sugar or carb cravings, irregular periods, mood swings, and difficulty losing weight despite consistent effort.
Is PMOS the same as PCOS?
Yes. Polyendocrine metabolic ovarian syndrome (PMOS) is the updated name for the condition previously known as polycystic ovary syndrome (PCOS), following a global consensus published in The Lancet in 2026.
Is inositol the same as sugar or a carb?
No. Inositol is a naturally occurring compound that supports the way your cells respond to insulin. It’s not a sugar or carbohydrate itself.
How long does it take to see a difference after changing my diet?
Many patients notice more stable energy and fewer cravings within a few weeks. Hormonal and cycle changes typically take one to three menstrual cycles.
Ready to Get Your Blood Sugar and Hormones Back on Track?
You don’t have to guess your way through this alone. Our team at The Oldershaw Clinic has spent over three decades helping women throughout Piedmont, Oakland, Berkeley, and the greater East Bay understand what’s really going on with their hormones and fertility, and build a plan that works for their body. If blood sugar issues might be part of your picture, we’d love to help you sort it out.
Leslie Oldershaw L.Ac, FABORM
Licensed Acupuncturist & Herbalist
Fellow, Acupuncture Board of Reproductive Medicine
Leslie Oldershaw brings over 30 years of leadership and expertise blending Eastern and Western medicine to support women’s health. Since founding The Oldershaw Clinic in 1995, she has helped women navigate fertility, hormonal transitions, perimenopause, menopause, and healthy aging with integrative, personalized care focused on vitality and lifelong wellness.
