Prenatal

Question 1

Major risk factors

Answer 1

Nutrition, stress, age

Question 2

Teratogens

Answer 2

Thalidomide, diseases that pass through the placenta directly and attacked the fetus, potentially dangerous drugs like cocaine, alcohol and drugs, environmental hazards are treacherous because we’re often unaware of their presence.

Question 3

How teratogens influence development

Answer 3

Teratogens are not universally harmful, depends on the genotype of the organism. Impacts of teratogens changes over the course of prenatal development. Affects specific parts of prenatal development. Damage is not always evident at birth, but can appear later in life.

Question 4

Ultrasound pros

Answer 4

Non invasive
Inexpensive
Access to it
Clear picture of soft tissues
Been around 40 years
Allows doctor to provide information about the pregnancy

Question 5

Ultrasound cons

Answer 5

Cannot see all deformalities of the fetus-cognitive

Question 6

Amniocentesis

Answer 6

Extract sample and test for genetic disorders

Higher chance of miscarriage

Question 7

Chronic villus sample

Answer 7

Genetic testing for disorders.

Higher chance of miscarriage