The term ‘prenatal’ occupies a charged and contested position across the depth-psychology corpus, spanning clinical, somatic, transpersonal, and developmental registers. At its most conservative, the literature treats the intrauterine period as an epigenetic and neurophysiological substrate — the womb as the first environment in which maternal stress hormones, glucocorticoids, and emotional states begin patterning the infant nervous system before birth (Maté, Heller). Stanislav Grof extends this considerably, arguing from his LSD and holotropic research that subjects not only symbolically represent but genuinely re-experience prenatal states, accessing what he terms ‘intrauterine memories’ with verifiable embryological accuracy — a claim that places prenatal experience at the threshold of transpersonal psychology. Otto Rank’s foundational trauma-of-birth thesis lurks behind much of this literature, acknowledged explicitly by Grof and implicitly by all who treat birth and prenatal life as a psychogenic stratum. Somatic theorists such as Fogel and Gallagher relocate prenatal significance in body-schema formation, noting that proprioceptive and neuromotor processes organize the body-self before parturition. The astrological psychology of Greene and Sasportas reads prenatal life through the twelfth house and Neptune as markers of the uterine archetypal field. Across all these registers, the prenatal period functions as the first site of trauma vulnerability, developmental imprinting, and primordial selfhood — the before-beginning that conditions everything that follows.