Lifestyle and home remedies. Over-the-counter medications â such as acetaminophen (Tylenol, others), ibuprofen (Advil, Motrin IB, others) and naproxen (Aleve, others) â may help ease knee pain.
What a difference a week makes! This week, a sonographer can see your baby via ultrasound as a tiny white image tucked within the gestational sac. And his heart is beating! For these first few weeks in your baby-to-be's development, he'll be nourished by the yolk sac. The yolk sac provides all the nutrients the embryo needs and produces blood cells until the placenta fully forms later in the pregnancy.
The Placenta and Umbilical Cord â The All-Purpose Supply Line. Even before a woman is noticeably pregnant, her intake of food and beverage passes through the developing placenta and umbilical cord to nourish (or harm) the growing embryo. The use of harmful substances during pregnancy is doubly damaging because both the woman and embryo / fetus may suffer significant harm.