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The Lunar Calendar: Myth or Reality for Choosing Baby's Sex?

The desire to predict or influence the sex of a future child is not new. For centuries, numerous popular traditions have emerged, and among the most enduring is the lunar calendar. It is this belief, full of poetry, that lies at the heart of the Allmoony experience.

Where does this belief come from?

The idea is based on a simple and ancient association: the moon's cycle, which lasts about 29.5 days, is thought to influence fertility cycles and, by extension, the sex of the baby conceived.

  • The Waxing Moon: This is the period from the New Moon (when it is invisible) to the Full Moon. During this phase, the moon's brightness increases each night. Traditionally, this rising energy is associated with the feminine principle, fertility, and gestation. This is why a conception during this phase would supposedly result in a girl.

  • The Waning Moon: This is the period following the Full Moon and returning to the New Moon. The brightness decreases. This descending energy is, conversely, associated with the masculine principle. A conception during this phase would therefore result in a boy.

Does it really work?

Let's be clear and transparent: no serious scientific study has ever validated this method. A baby's sex is determined by the sex chromosomes (X or Y) carried by the sperm that fertilizes the egg. Statistically, the chances are always very close to 50/50.

At Allmoony, we see it as a game, a fun and poetic way to connect with the journey to parenthood.

It's a nod to our grandmothers' traditions, a way to bring a little magic and wonder into what can sometimes be a long wait. The most important thing remains, and always will, to welcome a healthy baby, whether it's a girl or a boy.