During the early stages of pregnancy, the developing embryo or fetus is most vulnerable to harm. Extreme physical forces, including those experienced on roller coasters, can cause placental abruption, miscarriage, or other adverse effects.
Additionally, the increased blood flow and hormonal changes experienced during pregnancy can affect your balance and coordination, making it more likely to experience dizziness, nausea, or fainting while on rides.
For your safety and the well-being of your pregnancy, it is best to avoid amusement park rides, especially those with high-intensity elements, during your entire pregnancy. Instead, opt for gentler attractions or activities that do not pose a risk to your health or that of your baby.