Hormones do not "cause" your mood — they modulate it
Let's clear up a common misconception: no, you are not "a victim of your hormones". Estrogen and progesterone do not create your emotions from scratch. What they do is modulate brain chemistry — a bit like a dimmer adjusting the light without changing the room. Context, sleep, stress and everyday life matter just as much.
The review by Barth, Villringer and Sacher shows that many brain regions involved in mood (amygdala, hippocampus, hypothalamus) are rich in sex hormone receptors, and that these hormones interact directly with the major neurotransmitters: serotonin, dopamine, GABA, glutamate. It is this dialogue that explains why mood can vary across the cycle.
Estrogen, ally of serotonin and dopamine
Estrogen rises through the follicular phase (after your period) and peaks just before ovulation. It boosts the activity of serotonin (mood, wellbeing) and dopamine (motivation, reward). That is why many people describe a peak of energy, confidence and sociability around ovulation.
This window is often best suited to demanding tasks, decisions and social exchanges. It is not an absolute rule — everyone is different — but it is a common enough tendency to be worth observing across your own cycles.
Progesterone and the luteal phase
After ovulation, progesterone takes over and dominates the luteal phase. Its derivative, allopregnanolone, acts on the GABA system, the brain's calming "brake". As long as levels stay steady, the effect can be soothing. But late in the cycle, their rapid drop can — in sensitive people — translate into anxiety, irritability and lower mood.
That is the crux of the late luteal phase, covered in detail in our articles on the luteal phase and anxiety before your period. The good news: this dip is temporary and predictable once you know your rhythm.
Your mood across a full cycle
Connect the phases and a map emerges. During your period, energy is often low: a time to slow down. In the follicular phase, estrogen climbs and mood brightens. Around ovulation, it is often the peak of energy and sociability. Then the luteal phase gradually turns inward, toward the more sensitive premenstrual window. To place these stages, see our guide to the four phases of the cycle.
A caveat: these are tendencies, not a rigid clock. The point is not to box yourself in, but to understand yourself better. Also read our in-depth piece on the menstrual cycle and mood.
Why this matters, in practice
Understanding this hormone-brain dialogue brings two very concrete benefits. First, letting go of guilt: a cyclical dip in mood is not a personal failure, it is a physiological variation. Second, planning: without rigidity, you can place ambitious projects when energy is high and build in more gentleness when it dips.
The only way to know your personal map is to observe it. By logging mood and energy every day with Luteal, you watch your own tendencies emerge over several cycles — far more reliable than any general average.