the area is wetland, then go to Step 4. If no such indicators are present, go to Step 3. Step 3. Examine soil properties by digging a I-foot diameter hole up to 2-feet deep, as necessary, and look for primary. soil indicators of wetland. If any are present, the area is wetland.
Intrauterine growth restriction can result in a baby being Small for Gestational Age (SGA), which is most commonly defined as a weight below the 10th percentile for the gestational age. At the end of pregnancy, it can result in a low birth weight.
As a baby grows in the womb, teratogens may affect parts of the babyâs body as they are forming. For example, the neural tube closes in in the first 3 to 5 weeks of the pregnancy. During this time, teratogens can cause neural tube defects such as spina bifida. Some organs are sensitive to teratogens during the whole pregnancy. This includes the baby's brain and spinal cord. Alcohol affects the brain and spinal cord, so it can cause harm at any time during pregnancy.