The effectiveness of Ampoule’s birth control pills depends on individual circumstances. If it is due to some external factors, such as overexertion, endocrine disorder caused by mental trauma, and so on, the effect of taking birth control pills is generally more obvious. If it is caused by the poor development of the fetus itself, the effect of using birth control pills is not obvious and it is easy to fail to keep the fetus. This situation should be done as soon as possible to avoid haemorrhage or uterine infection. In general, early pregnancy, especially in the first trimester, you need to pay special attention to avoid contact with toxic and harmful chemicals and things with radiation. Pay attention to regular work and rest habits, ensure sufficient sleep and strengthen nutrition, which can improve the body’s immunity and avoid bacterial or viral infections that can affect the development of the fetus and cause miscarriage.