ffer an Earth-Mother’s-Vaginal-Birth version. The 1988 doll’s abdomen peeled open like a half-egg of Silly putty to reveal a peek-a-boo fetus, smiling and with a…free love, but apparently Mattel knew better than to offer an Earth-Mother’s-Vaginal-Birth version. The 1988 doll’s abdomen peeled open like a half-egg of Silly putty to reveal a peek-a-boo fetus, smiling and with a headful of hair, in the vertex position.