Maternity: Pregnancy A Worksheet

whiplike movement
conception
cell formed by the union of two reproductive cells
cell division
developmental stage of the fertilized ovum in which a solid mass of cells resembles a mulberry
the embryonic form; a spherical mass of cells with a central-filled fluid cavity surrounded by two layers of cell
tiny vascular protrusions on the chorionic surface that project into the maternal blood sinuses of the uterus and help form the placenta
a gelatinous tissue that that remains when the embryonic body stalk blends with the yolk sac within the umbilical cord
top portion of the uterus
downy, fine hair found on the fetus from 20 weeks' gestation until birth
measurement from the top of the fetal head to the buttocks
the process of imaging deep structures of the body by measuring and recording the reflection of pulsed or continuous high-frequency sound waves
one of the three periods of approximately 3 months into which pregnancy is divided
ovarian hormone that softens and relaxes joints and ligaments to facilitate labor and delivery
any substance, agent, or process that interferes with normal prenatal development, causing the formation of one or more developmental abnormalities in the fetus