Maternal respiratory function during pregnancy.
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000503:physiopathology*; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D012123:Pulmonary Ventilation; D012129:Respiratory Function Tests