At 10 weeks pregnant, you’re also getting close to the end of the first trimester and to the part of the pregnancy that many ...

The first trimester is the earliest phase of pregnancy. It starts on the first day of your last period -- before you’re even actually pregnant -- and lasts until the end of the 13th week.

FRIDAY, Feb. 7, 2025 (HealthDay News) -- Low vitamin D levels during the first trimester ... growth patterns and pregnancy ...

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

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.