The condition of ‘morning sickness’ is a misnomer. It can in fact strike at any time, day or night, sometimes constantly. It is often described as a terrible hangover that never relents, car sickness or food poisoning that doesn’t get better. It is experienced mostly in the early stages of pregnancy between six and sixteen weeks, although for some unfortunate women it can be a constant until they reach full term. It is thought that this often-debilitating condition is caused by the huge surge of circulating hormones. Stress and fatigue are also thought to be contributing factors. Symptoms include nausea