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.
Here are some of the most common reasons that periods may be irregular: 1  Youâve just started menstruating. If you only recently got your period, it can take up to a year or more for your hormones to properly regulate. 2  If youâve been under a lot of stress. Stress can really effect hormones and female cycles. 3  If you have started birth control recently.