title: Proceedings: Cyclic variation of obstetric phenomena in Cardiff.
mesh_terms: D001794:Blood Pressure; D005260:Female; D006801:Humans; D006973:Hypertension / Q000150:complications; D010507:Periodicity; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D012621:Seasons; D014852:Wales