Which Vitamin Supplement Is Taken During the First Trimester of Pregnancy

question 41

Essay

Which vitamin supplement is taken during the first trimester of pregnancy to prevent the birth defect known as spina bifida?

---

Definitions:

Perfume

A fragrant liquid typically made from essential oils or aroma compounds, used to provide a pleasant scent.

Circulation Loss

The reduction or stoppage of blood flow to a particular part of the body, potentially leading to health complications.

Signal-Detection

The theory and method of differentiating between information-bearing patterns and random patterns that distract from the information.

Fechner's Law

A principle describing the logarithmic relationship between stimulus magnitude and perceptual intensity, suggesting that sensation increases as the logarithm of the stimulus intensity.