Tag: Placental hormones

The journey of pregnancy is meticulously orchestrated by a complex interplay of hormones, each rising and falling in concentration to support fetal development and prepare the maternal body for childbirth. The provided chart, titled "Hormones Initiating Labor," illustrates the relative concentrations of key hormones—human chorionic gonadotropin (hCG), progesterone, and estrogens—across the 40 weeks of gestation. While traditionally associated with labor initiation, this graph primarily showcases the endocrine dynamics throughout the entire pregnancy, offering vital insights into the physiological mechanisms maintaining gestation and signaling its eventual culmination.