Lunar Natal Return: A Hidden Fertility Window
When trying to conceive, most people track ovulation—but what if there was another fertile window influenced by the moon? The Lunar Natal Return, a concept explored by many women’s wisdom teachers such as Uma Dinsmore-Tulli and Jane Hardwicke Collings, who shares the knowledge that you have an extra fertility opportunity each month based on the moon phase you were born under.
This isn’t just about your opportunity to get pregnant with your egg but research also shows that the moon influences sperm activity creating a Super Sperm effect, meaning this lunar phase could be significant for both partners in the conception process.
In this blog, we’ll explore:
• What a Lunar Natal Return is
• How the moon phase at your birth affects fertility
• The impact of lunar cycles on sperm activity
• How this lunar phase fits into your menstrual cycle
• The best way to approach conception with regular intimacy and connection
What is a Lunar Natal Return?
The Lunar Natal Return is the moment each month when the moon returns to the same phase it was in when you were born. This moment is believed to create an energetic opening for conception, regardless of whether it aligns with your menstrual cycle.
For example, if you were born under a waxing crescent moon, your lunar fertility window will occur each month when the moon reaches that same phase.
The Moon’s Influence on Fertility
The moon has long been linked to female reproductive cycles, as both typically follow a 28–29-day rhythm. Some ancient fertility methods, including the Jonas Method developed by Dr. Eugen Jonas, suggest that women can conceive not only during ovulation but also when the moon returns to its natal phase.
Jane Hardwicke Collings teaches that this lunar return is a powerful fertility window, creating another opportunity to conceive—even if your menstrual cycle doesn’t align with it.
The Moon’s Effect on Sperm Activity
It’s not just women who may be influenced by lunar cycles—research suggests that sperm motility and activity may also increase around certain moon phases. Some studies indicate that sperm health peaks around the full moon, suggesting that the moon’s gravitational pull or energetic influence could enhance male fertility but also in your partner’s lunar return moon phase.
This means that if your Lunar Natal Return falls around a high-energy moon phase, it may support both ovulation and sperm vitality, increasing the chances of conception.
How Lunar Natal Return Fits into Your Menstrual Cycle
Your Lunar Natal Return may not always align with ovulation—it could occur during your period, the follicular phase, or the luteal phase. Since traditional fertility tracking focuses on ovulation, this lunar approach adds another dimension.
So, how do you work with both fertility windows?
The Best Approach: Regular Intimacy & Connection
Rather than focusing only on peak ovulation days, the most effective way to optimise conception is to enjoy regular intimacy throughout your cycle.
• Have sex every 2–3 days to keep sperm present in the reproductive tract, increasing the likelihood of conception.
• Use your Lunar Natal Return as an extra opportunity to connect with your partner.
• Emphasise emotional and physical connection, which enhances fertility on a deeper level.
Many women who track their Lunar Natal Return find that it aligns with an increased libido, changes in cervical mucus, or an intuitive sense of fertility, even if it doesn’t match traditional ovulation tracking.
How to Track Your Lunar Natal Return
1. Find your birth moon phase using an online moon phase calculator or historical lunar records.
2. Track the moon phases each month to pinpoint when your Lunar Natal Return occurs.
3. Observe changes in your body—increased libido, cervical mucus, or subtle signs of fertility.
4. Plan intimacy during this time, even if it doesn’t align with ovulation.
The Lunar Natal Return offers a fascinating and expansive way to view your fertility—one that combines cosmic timing with traditional ovulation tracking. With the added insight that the moon can enhance sperm activity, both partners can benefit from tuning into lunar cycles.
By maintaining regular intimacy, emotional connection, and awareness of your lunar fertility window, you create the best conditions for conception—whether it happens through ovulation or a more mysterious lunar influence.
Would you like help calculating your Lunar Natal Return? If you would like a personalised Moon & Womb Map, let me know.
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