Consult your doctor if you notice any of these warning signs: 1. Vomiting and nausea, can be a normal first trimester symptom. But if you have persistent nausea and vomiting several times a day, can’t keep any fluids down for 12 hours, or are lightheaded from vomiting, consult your doctor. It may be a condition called hyperemesis gravidarum, which can cause problems such as weight loss, low birth weight, and dehydration.�� 2. Headaches during pregnancy can be caused by hormonal changes, stress,

"Some people have abortions because of it." Severe sickness during pregnancy, known as hyperemesis gravidarum, leads to prolonged nausea and vomiting. Laura kept a video diary of her experiences of it. https://bbc.in/3C43doY | BBC News