Why Could an Ultrasound Performed at Week 4 of Development

question 90

Essay

Why could an ultrasound performed at week 4 of development be unable to determine the sex of a developing human fetus?

---

Definitions:

In Vivo

Refers to processes or experiments conducted in living organisms, such as laboratory animals or humans, to assess biological and chemical reactions in their natural context.

Guided Practice

Guided practice is an instructional approach where a teacher or mentor provides direction and feedback while the learner performs a task or activity.

Cognitive Schema

A mental structure that an individual uses to organize and interpret information, based on previous experiences and knowledge.

Memory Pattern

The way in which memories are organized, stored, and retrieved by the brain, forming recognizable sequences or themes.