(For more on your baby's development, see our images of fetal development week by week.) In the first trimester, all your baby's major organs and systems form – so you'll want to make sure to ...

We're up to 10 months. I'd like to discuss your baby's temperament today but first let's take stock: Do you know that oldie but goodie by Little Eva, "The Loco-Motion"? I'm guessing that could ...

By the end of your first trimester, your baby is almost as big as a 2 and 1/2-inch bulb of garlic. Her profile, complete with tiny nose and chin, have grown in too. She's come a long way this ...

Excess maternal weight gain in the first trimester causes foetal fat accumulation, increasing risks of obesity, diabetes, and ...

Maternal vitamin D status in early pregnancy is crucial for fetal growth and may reduce the risk of preterm birth, according ...

Getting enough vitamin D, the "sunshine vitamin," during early pregnancy could be important for infant health, new res ...

Maternal vitamin D levels in the first trimester were related to both prenatal growth and pregnancy outcomes, according to a new study. Low vitamin D levels during the first trimester of pregnancy ...

Low first trimester vitamin D concentrations are associated with risk for preterm birth; higher levels correlate with fetal growth.