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Conception Through Birth

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Presentation on theme: "Conception Through Birth"— Presentation transcript:

1 Conception Through Birth
Pregnancy Conception Through Birth Click on the house to go to the Home Page!

2 Pregnancy First Trimester Second Trimester (Conception to 13 weeks)
Third Trimester (28 weeks to Birth) Labor and Birth

3 Click on the arrow to go to the next page!
First Trimester Conception A single sperm and the woman’s egg join together and their DNA is combined to form a developing human called a zygote (or fertilized egg.) References: Kail, R., & Cavanaugh, J. (2013). Human development: A life-span view. (6th ed.) Belmont, CA: Wadsworth. Baby Center, LLC. (2013). Retrieved from Click on the arrow to go to the next page! Next

4 First Trimester Weeks 1 and 2
The zygote develops the placenta, a structure through which the developing baby receives nutrients and gets rid of wastes. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

5 First Trimester Weeks 1 and 2 (cont.)
The zygote reaches the uterus at the end of week one and attaches itself to the wall of the uterus (implantation), triggering hormones that prevent the woman from menstruating. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

6 First Trimester Weeks 1 and 2 (cont.)
By the end of week 2, the zygote is implanted and is less than 1 millimeter across. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

7 First Trimester 3 – 8 weeks
The implanted zygote is now known as an embryo. The embryo is growing in a fluid filled sac called the amnion that cushions it and regulates its temperature. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

8 First Trimester 3 – 8 weeks (cont.)
The umbilical cord is now connecting the embryo to the placenta and allows for the exchange of nutrients, wastes, etc. with the mother. During these weeks, body parts and organs begin to develop and one can see the embryo’s eyes, jaw, arms, and legs. The heart also begins to beat. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

9 First Trimester 3 – 8 weeks (cont.)
There are three layers to the embryo: The outer layer becomes hair, skin, and the nervous system The middle layer becomes muscles, bones, and the circulatory system The inner layer becomes the digestive system and the lungs The embryo grows from 2 millimeters to about 1 inch in length. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

10 First Trimester Week 9 At week 9, when cartilage turns to bone, the developing child is now known as a fetus. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

11 First Trimester Week 9 (cont.)
The fetus’s brain and spinal cord develop to the point that the fetus now has brain structures and the brain begins to regulate body functions. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

12 First Trimester Week 9 (cont.)
Ovaries develop in a female and testes develop in a male. The fetus weighs only about an ounce. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

13 First Trimester 12 weeks Fetal Period (9 – 38 weeks)
At week 12, the fetus develops either a penis or a vagina Fetal Period (9 – 38 weeks) The period of pregnancy when a developing child is called a fetus is marked by rapid growth and functioning of body systems. The fetus can hear, see, and taste in the womb. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

14 First Trimester Watch this video to review the developing child’s progress from conception to 13 weeks. Pictures: Baby Center, LLC. (2013). Retrieved from Next

15 Click on a, b, or c to answer the question!
First Trimester Quiz Question 1 A baby is conceived when a ___ from a man combines with an ___ from a woman. DNA; RNA sperm; egg zygote; embryo Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Click on a, b, or c to answer the question!

16 Question 1 Correct! A child is conceived when a sperm from a man and an egg from a woman combine! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

17 Click “Try Again!” to go back to the question!
Incorrect! Remember that we are talking about conception when we say “conceived.” Try again! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Click “Try Again!” to go back to the question!

18 First Trimester Quiz Question 2 A zygote is the …
term for a developing child from conception to implantation term for a developing child after implantation term for a developing child once cartilage turns to bone Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

19 Question 2 Correct! A zygote is the term for a developing child from conception to implantation. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

20 Question 2 Incorrect! Hint: The zygote period is the first 2 weeks of pregnancy! Try Again! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

21 First Trimester Quiz Question 3 What is an embryo?
A part of the woman’s uterus. A name for a developing child after implantation. An egg that is deformed. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

22 Question 3 Correct! An embryo is the name for a developing child after implantation! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

23 Incorrect! Remember that an embryo is part of pregnancy! Try Again!
Question 3 Incorrect! Remember that an embryo is part of pregnancy! Try Again! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

24 Second Trimester To review:
Zygote: 0 – 2 weeks; conception and implantation Embryo: 3 – 8 weeks; after implantation and before cartilage turns to bone Fetus: 9 weeks – birth; when cartilage turns to bone until birth Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

25 Second Trimester 16 weeks
The developing child is still called a fetus. The fetus weighs 4 to 8 ounces. The mother can feel its movements. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

26 Second Trimester 17 weeks (and beyond)
Starting at 17 weeks, the fetus gains about 7 or 8 pounds before birth. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

27 Second Trimester 20 – 24 weeks
The developing child’s heart rate changes in response to stress. Eyebrows, eyelashes, and scalp hair form. The developing child begins sucking and swallowing. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

28 Second Trimester Watch this video to review the developing child’s progress from 14 to 27 weeks. Pictures: Baby Center, LLC. (2013). Retrieved from Next

29 Second Trimester Quiz Question 1
A fetus is the name of a developing child during the third stage of pregnancy. True False Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

30 Question 1 Correct! A fetus is the name for a developing child in the third stage of pregnancy when the child’s cartilage has turned to bone until he or she is born. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

31 Question 1 Incorrect! A fetus is the name for a developing child in the third stage of pregnancy when the child’s cartilage has turned to bone until he or she is born. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

32 Second Trimester Quiz Question 2
What stage of development is this developing child in? Zygote Embryo Fetus Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

33 Correct! This is a picture of an embryo!
Question 2 Correct! This is a picture of an embryo! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

34 Question 2 Incorrect! This developing child is in a different stage of development! Try Again! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

35 Third Trimester To review:
Zygote: 0 – 2 weeks; conception and implantation Embryo: 3 – 8 weeks; after implantation and before cartilage turns to bone Fetus: 9 weeks – birth; when cartilage turns to bone until birth Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

36 Third Trimester 28 weeks By 28 weeks, most body systems function and the brain specializes. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

37 Third Trimester 28 weeks (cont.)
This is the age of viability, or the stage at which the fetus has a chance of surviving should it be born early. A child born at this age will have trouble breathing as its lungs are not fully developed. The child will also have trouble regulating body temperature because the baby lacks a layer of fat that develops in the 8th month. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

38 Third Trimester 32 – 36 weeks
During the final weeks, there is rapid weight gain. The fetus also develops a layer of fat that helps it to regulate its body temperature outside the womb. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

39 Third Trimester 38 weeks At 38 weeks, the fetus is at full term and is ready to be born. Birth usually occurs naturally around this time or it can be induced by doctors. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

40 Third Trimester Watch this video to review the developing child’s progress from 28 to 38 weeks. Pictures: Baby Center, LLC. (2013). Retrieved from Next

41 Third Trimester Quiz Question 1
What stage of development is this developing child in? Fetus Embryo Zygote Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

42 Question 1 Correct! This developing child is in the stage of development where he or she is called a fetus! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

43 Question 1 Incorrect! This child is in a different stage of development! Try Again! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

44 Third Trimester Quiz Question 2
How long, on average, does a pregnancy last? 38 weeks 6 months 400 days Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

45 Question 2 Correct! A pregnancy usually lasts about 38 weeks or about 9 and a half months! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

46 Question 2 Incorrect! That number is off, think about the timing we discussed in this module! Try Again! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).

47 Labor and Birth Watch this video to review the developing child’s progress from conception to 38 weeks!  http://youtu.be/fprpOeMGEy0 Pictures: Baby Center, LLC. (2013). Retrieved from Next

48 Labor and Birth There are three stages of labor.
The timing of each stage varies greatly from woman to woman and pregnancy to pregnancy. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

49 Labor and Birth Stage 1 Lasts approximately 12 – 24 hours
In this stage, the uterus starts to contract. The contractions start out weak and irregular and gradually become stronger and more rhythmic. These contractions enlarge the cervix (the opening from the uterus to the vagina) to 10 centimeters. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

50 Labor and Birth Stage 2 Lasts about an hour
In this stage, the mother pushes the baby along through the cervix and into the vagina. The baby’s head appears first which is known as crowning, and soon the baby is delivered. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

51 Labor and Birth Stage 3 Lasts only minutes
In this stage, the mother pushes to deliver the placenta. Kail & Cavanaugh, (2013). Baby Center, LLC, (2013). Next

52 Labor and Birth Quiz Essay
Write a paragraph containing at least four facts about labor. Save this PowerPoint and turn it into your teacher! Kail & Cavanaugh, (2013). Baby Center, LLC, (2013).


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