Clomid and IVF prep: Maximizing your ovarian response before stimulation starts
by Denada Saini, last updated 23 Feb 2026,
2 min read
When preparing for an IVF cycle, the “waiting period” is rarely just about waiting. For many patients at Newlife IVF Greece, this phase is a strategic window to prime the ovaries for success. While Clomiphene Citrate (Clomid) is often associated with simple ovulation induction, its role as a precursor to a full IVF cycle-particularly in low-stimulation (Mild IVF) protocols-is a game-changer for egg quality and quantity.

Why prime with clomid?
The goal of any IVF cycle is a predictable, robust ovarian response. However, every woman’s biological baseline is different. Using Clomid before or at the very start of your stimulation phase serves three primary purposes:
- Endogenous FSH boost: Unlike synthetic injections, Clomid signals your brain to increase its own production of Follicle-Stimulating Hormone (FSH). This “natural nudge” can awaken dormant follicles.
- Synchronized follicle growth: One of the biggest hurdles in IVF is “lead follicles” taking over while others lag. Clomid helps create a more uniform cohort, ensuring more eggs reach maturity at the same time.
- Cost-effective sensitivity: For “poor responders” or those with diminished ovarian reserve, priming with Clomid can make the ovaries more sensitive to the more expensive gonadotropin injections that follow.
- The science of the “Head Start”:Clomid works by acting as a selective estrogen receptor modulator (SERM). By blocking estrogen receptors, it “tricks” the body into thinking estrogen levels are low. The pituitary gland responds by surging FSH, which acts like high-octane fuel for your developing eggs.
In a low-stim or natural-modified IVF protocol, starting with Clomid allows us to use lower doses of injectable drugs later on. This reduces the risk of Ovarian Hyperstimulation Syndrome (OHSS) and, in many cases, leads to higher-quality oocytes because the stimulation is less aggressive.
Is this approach right for you?
Success in IVF isn’t about using the most medication; it’s about using the right medication at the right time. Clomid priming is frequently recommended for:
- Patients with PCOS who need a controlled start.
- Women with low ovarian reserve who don’t respond well to high-dose injections.
- Individuals seeking a more minimalist, holistic approach to fertility treatment.
Your next step toward success
The path to a successful pregnancy begins long before the egg retrieval. Understanding how your body responds to preparatory medications like Clomid is essential for a personalized. Contact us to learn more about preparation.
Denada Saini, Diploma
Denada is a certified midwife and a member of the Newlife-IVF clinic.