Antepartum: The period of pregnancy between 24 weeks gestation and term

Placenta: Organ formed during pregnancy which has many important functions, especially transfer of oxygen and nutrients from mother to fetus

Preterm delivery: Delivery before 37 weeks gestation

Hemoglobin: Protein found in red cells that transports oxygen to tissues and removes carbon dioxide

Hemoglobin test: Test that measures the amount of hemoglobin in the red cells. It is decreased in anemia (low red cell count) due to various causes

Hematocrit: Test that measures the volume of red cells in relation to total blood volume. It is expressed as percentage

Stillbirth: Birth of a baby that has died in the womb after 28 weeks of gestation

Trimester: Duration of three months, especially in relation to pregnancy

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