Forests are essential for life on earth. Three hundred million people worldwide live in forests and 1.6 billion depend on them for their livelihoods. Forests also provide habitat for a vast array of plants and animals, many of which are still undiscovered. They protect our watersheds.
The other cause is migraine headaches that can affect some women prior to their period following ovulation. Nausea typically accompanies migraines regardless of the cause of the headache. In this case the headaches are caused by the hormonal imbalance and they can be completely debilitating along with the nausea.
See your doctor if: 1  You feel very depressed or hopeless, or have thought about hurting yourself. A severe form of PMS could cause this, and you should get help immediately. 2  You have not started your period by the time you are 15. The doctor can evaluate you to figure out why you havenât gotten your period yet. You stop getting your period or it becomes really irregular after it has been regular for several cycles. This can be a sign that you may have a hormone imbalance or a problem with nutrition. You have very heavy or long periods, or get your period more often than every 21 days.