Estrogen, Progesterone, Oxytocin: Your Hormonal Trio During Pregnancy
- Joy McCameron

- Dec 16, 2025
- 1 min read

Pregnancy is a hormonal masterpiece, where hormones change and interact. Three hormones, in particular, take center stage: estrogen, progesterone, and oxytocin. These hormonal powerhouses shape both the physical and emotional landscape of your pregnancy.
Estrogen, often called the "master of emotions," can amplify your feelings, leading to a wide range of mood swings. You may find that one moment, joy bubbles beneath the surface, a gentle current of warmth washing over you. Next, anxiety might crash over you, leaving you breathless and teary-eyed. Estrogen intensifies every fleeting thought.
Progesterone, the hormone of relaxation, complements estrogen. While estrogen can energize you, progesterone urges you to rest. You may notice days becoming a dance between these two hormones. One moment, you’re bursting with estrogen-induced vitality. The next, fatigue overcomes you, as progesterone takes the reins, leaving you longing for the comfort of your bed.
Then there are the unexpected tears. A poignant song, a news story, a cherished memory – all can trigger a sudden downpour of emotions. Estrogen, the amplifier, is working overtime. You might find yourself sobbing uncontrollably, overwhelmed by a mixture of joy, fear, and a profound love you didn't know you possessed.
Amidst this emotional rollercoaster, oxytocin, the love hormone, begins its work. A deep, abiding love for the tiny human growing within you begins to emerge. It's a primal connection, a love unlike any you've ever experienced. Oxytocin prepares you for the profound bond you will soon share with your child.
This hormonal journey is a testament to the extraordinary transformation of pregnancy. These shifts, these upheavals, are all part of the incredible process you are going through.



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