Week 3. Baby: Congratulations!If your egg and your partner's sperm have joined successfully, your embryo is really there, although it's very small -- about the size of the head of a pin.

In recent years, research to create human organs and organs from cultured stem cells is progressing, and attempts to artificially synthesize human embryos in the early stages of development are ...

With each week of pregnancy, your baby-to-be is developing in leaps and bounds. In the early stages, they are called a zygote. They then progress to an embryo, fetus, and finally, baby. You might ...

The signs that an embryo transfer has been successful are the signs of pregnancy, such as cramping, fatigue, breast tenderness, and others. You may expect these signs to begin 2 weeks after a ...