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Oxytocin: Oxytocin is sometimes called the “love hormone” because it is released during intimate activities such as breastfeeding and sex. It also plays a key role in triggering labor by causing the uterus to contract and the cervix to dilate and soften.
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Prostaglandins: Prostaglandins are hormones that are produced by the uterus and help to ripen the cervix, making it more receptive to labor. They can also cause the uterus to contract and can help to promote the onset of labor.
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Estrogen: Estrogen levels increase throughout pregnancy and play a key role in preparing the uterus for labor. As estrogen levels rise, the cervix begins to soften and dilate, which can trigger the onset of labor.
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Cortisol: Cortisol is a stress hormone that is produced by the baby’s adrenal glands. As the baby matures, it produces more cortisol, which can stimulate the mother’s body to begin labor.
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Relaxin: Relaxin is a hormone that is produced by the ovaries and placenta during pregnancy. It helps to relax the ligaments and joints in the pelvis, which can make it easier for the baby to move through the birth canal during labor.
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