You should discuss this with your ob-gyn.
There is actually a vacuuming procedure called menstrual extraction where gentle suction to the uterine lining will stop a pending period. While it is practiced as an alternative to abortion, it can be done just to be able to pass your entire menses at once.
No particular sex "posture" will prevent pregnancy. The only things that prevent pregnancy are not having sex (abstinence) and birth control.
I would not trust that particular birth control if it did not regulate your menstrual cycle. I had a similar problem after using a particular brand for a while and me and my doctor agreed to change to another pill with more hormone in it.
It is impossible to control a volcano or prevent one from erupting.
Project constraints are limiting factors that prevent the project from moving in a particular path.
Hormones control the release of eggs, and Birth Control pills either regulate or prevent that release.
The birth control patch is meant to prevent ovulation. That's how it works to prevent pregnancy.
There are a number of methods to prevent pregnancy. Birth control pills and hormonal birth control is not the only choice. Talk with your health care provider about options.
Yes it is, you can prevent it or even control it by using vector control.
No. Birth control will prevent pregnancy.
No. There is no way for us to prevent tornadoes. We cannot control nature.
Yaz is a birth control pill. It is intended to prevent pregnancy.
No. We cannot prevent or control any weather event.