I am having a hard time understanding my directions.

Below are two times lines that represent prenatal development and pregnancy. On the prenatal development time line, indicate the timing(in weeks)of the three stages of prenatal development and the major development phenomona that occurs during each. Then, on the pregnancy time line, indicate the timing(in weeks) of the three trimesters , and then list the things that the mother and father, when appropriate should be doing, experiencing,or avoiding.

Should could you do example so I have better understanding?

http://psychology.about.com/od/developmentalpsychology/a/prenataldevelop.htm

http://www.livescience.com/44899-stages-of-pregnancy.html

Thanks so on my paper on the prenatal development time line would I write 9 weeks differentiation of ovaries and testes.

Yes.

So would I just list the other side in 3 trimesters and what happens?

Sounds good.

To successfully understand your directions and complete the task, follow the steps below:

1. Identify the Prenatal Development Timeline:
- The prenatal development timeline represents the stages of development that occur before birth.

2. Identify the Three Stages of Prenatal Development:
- The three stages of prenatal development are the Germinal Stage, Embryonic Stage, and Fetal Stage.

3. Determine the Timing of Each Stage:
- The timing of each stage varies:

a. Germinal Stage (Weeks 1-2):
- During this stage, fertilization occurs, and the zygote begins to divide and form a blastocyst.
- The blastocyst travels to the uterus and implants in the uterine wall.

b. Embryonic Stage (Weeks 3-8):
- Major development phenomona during this stage include the formation of major organs, limbs, and body systems.
- The heart starts beating, and the embryo is susceptible to teratogens.

c. Fetal Stage (Weeks 9-38/40):
- In this stage, the growing embryo is now called a fetus.
- The fetus continues to develop organs and body systems, gains weight, and prepares for birth.

4. Identify the Pregnancy Timeline:
- The pregnancy timeline represents the three trimesters that divide the nine months of gestation.

5. Determine the Timing of Each Trimester:
- The timing of each trimester is as follows:

a. First Trimester (Weeks 1-12):
- During this trimester, crucial organs and body systems of the fetus develop.
- The mother may experience morning sickness, fatigue, and frequent urination.
- The father should support the mother emotionally and offer assistance when needed.

b. Second Trimester (Weeks 13-27):
- During this trimester, the fetus grows rapidly, and the mother may feel fetal movements.
- The mother may experience relief from earlier pregnancy symptoms and an increase in energy.
- The father can engage in bonding activities with the mother and may attend prenatal appointments.

c. Third Trimester (Weeks 28-40/42):
- In this trimester, the fetus continues to gain weight, preparing for birth.
- The mother may experience discomfort, increased size, and Braxton Hicks contractions.
- The father should be supportive, attend childbirth classes, and help in preparing for the baby's arrival.

By following these steps, you should be able to understand and fill in the timelines according to the stages of prenatal development and pregnancy, and also specify the experiences and actions relevant to the mother and father during each period.