Exercise is a terrific way for pregnant women to improve their balance and also strengthen their muscles that will be used during labor and delivery. However, there are some forms of exercise that are unhealthy during a pregnancy (such as the lifting of heavy weights), and some difficult pregnancies require bedrest. Speak with your obstetrician about what forms of exercise are appropriate for your body and your pregnancy. Walking is a great exercise for many pregnant women, especially in the earlier stages of pregnancy. It is low-key and generally fairly safe. Walking also helps improve balance and strengthens the same muscle groups that you will use during labor. If you take the time to walk 30 minutes each day, you will also feel more comfortable moving around in your changing body. Women in the final stages of pregnancy might need to avoid lengthy walking, however, due to back pain, foot pain, or poor balance. Women who need to be on bedrest also should not take walks. Doctors recommend that pregnant women have at least a half-hour of aerobic activity per day. This should not be hard, high-impact exercise: you do not want to dehydrate yourself, lose your balance, get fatigued, or limit the flow of oxygen to the fetus. But it is important to move each day in order to keep your joints healthy and to learn how to get by in a growing body. Indeed, many prenatal exercises reduce the severity and frequency of common pregnancy symptoms such as aches, pains, and trouble sleeping. Some excellent prenatal exercises include:  Swimming. Just don't hold your breath for long periods of time!  Prenatal yoga. Yoga is a great way for many pregnant women to maintain their strength and flexibility during pregnancy. However, not every yoga move is safe during pregnancy. For example, hot yoga and poses that involve standing for long periods of time are not recommended. Join a specialized class designed for pregnant women that is led by an experienced professional.  Indoor biking. Biking outdoors might be difficult for pregnant...

How would you rephrase that briefly using Indonesian?
Bicarakan tentang olahraga yang tepat kepada dokter. Jalan kaki setiap hari. Lakukan olahraga ringan 30 menit per hari. Dengarkan isyarat tubuh Anda. Jagalah keseimbangan. Kenakan sepatu yang nyaman. Tambahlah berat badan sesuai yang dianjurkan.