Draw a 2 X 9 chart. Label the columns: Mother & Baby

How many eggs are usually released during a menstrual cycle?

Usually one egg is released. How many eggs are usually released during a menstrual cycle? Usually one egg is released.

2. What can happen if more than one egg is released?

If both eggs are fertilized, it means a woman may have fraternal twins. Identical twins happen when the fertilized egg splits into two before cells begin dividing.

3. How long does an egg “live” inside a woman’s body?

12-24 hours from the time of ovulation. 3. How long does an egg “live” inside a woman’s body? 12-24 hours from the time of ovulation.

4. Will a pregnancy occur every time sexual intercourse occurs?

4. Will a pregnancy occur every time sexual intercourse occurs? No. Pregnancy only happens if sperm can fertilize an egg and implant into the wall of the uterus.

5. When does a pregnancy occur?

When does a pregnancy occur? When a sperm fertilizes an egg. This can happen if intercourse takes place within the period of ovulation.

Women are most likely to become pregnant if intercourse happens around the middle of the menstrual cycle. Each woman has a different length of menstrual cycle, so it is difficult to predict.

Trimester Graphic Organizer Fill in the chart as we go…

Fetal Development

Fetal Development

The 1st Trimester

Signs and Symptoms Pregnancy – 40 weeks Mother A missing menstrual period Morning sickness and nausea Frequent urination Cravings Breasts enlarge Fatigue and dizziness

First Month Baby Egg – called a zygote until it attaches to the lining of the uterus – then becomes an embryo Size of a pepper flake The heart, no larger than a poppy seed, has begun beating. Head, mouth, liver, and intestines begin to take shape.

First Month

The Second Month

Two Months Mother Swelling of breasts Increased urination due to pressure on the bladder Nausea – morning sickness

Two Months Baby Size ¼ inch long at the beginning of the month Face, eyes, ears and limbs develop Bones begin to form At 9 weeks, embryo changes to a fetus until birth The heart has divided into right and left chambers. Most vital organs are developed.

Two Months

Third Month

Three Months Mother Breasts become fuller & firmer, may ache Nausea Fatigue Frequent urination may continue Abdomen becomes slightly larger; the uterus is about the size of an orange Weight gain may total 2-4 pounds

Three Months Baby Size 1 inch long as month begins Nostrils, mouth, lips, teeth buds and eyelids form Fingers & toes almost developed All organs and have formed. Starting at eight weeks, your baby is called a fetus. By the end of the first trimester, the fetus is 2 1/2 to 3 inches long and is fully formed. He has begun swallowing and kicking. All organs and muscles have formed and are beginning to function. The arms, legs, hand, and fingers are fully developed. The nails on his fingers and toes are starting to develop.

Four Months Mother Appetite increases Most unpleasantness of early pregnancy are usually gone Abdomen continues to grow

Your baby is about 2 inches long and is covered with a layer of thick, downy hair called lanugo. His heartbeat can be heard clearly. Can suck thumb, swallow, hiccup and move around Facial features become clearer This is when many mothers feel their baby's first kick. 4 Months Baby

4 months

Fifth Month

Five Months Mother Enlarged abdomen becomes apparent Slight fetal movements felt Increased size of abdominal area may begin to affect posture

By the end of this month, your baby will be nearly 8 inches long and weigh almost a pound. The skull bones are the most important bones being developed at this time. A protective coating called vernix caseosa begins to form on baby's skin. Hair, eyelashes and eyebrows appear Teeth continue to develop Organs are maturing Becomes more active 5 Month Babys

Six Months Mother Fetal movements sensed as strong kicks, thumps, and bumps – some may be visible Weight gain by the beginning of this month may total 10- 12 pounds

Six Months Baby Size about 8-10 inches long, weighs about 8-12 ounces as month begins If the mother talks or sings, the baby can hear. Tiny eyebrows and eyelids are visible. There is a lot of evidence to show that the baby can hear the outside world. If you talk or sing, he can hear you. Your baby's lungs are filled with amniotic fluid, and he has started to practice breathing movements. Fingerprints are formed.

Seven Months Mother Increased size may affect posture A mother should feel the baby move every couple of hours.

Size about 14-16 inches long, weighs about 11/2 pounds Periods of activity followed by periods of rest & quiet By the end of the seventh month his body is well formed. Fingernails cover his fingertips. He may try to turn toward a source of bright light. Seven Months Baby

Eight Months Mother Discomfort may result from increased size of abdominal area Backache Fatigue Leg cramps Shortness of breath Fetal kicks may disturb the mother’s rest At the beginning of this month, weight gain totals about 18-20 pounds

Eight Months Baby Size about 14-16 inches long, weighs about 21/2 – 3 pounds Weight gain continues rapidly May react to loud noises with a reflex jerking action Moves into head- down position in preparation for birth.

8 months

Nine Months Mother “Lightening” felt as the fetus drops in to the pelvis and decreases pressure on mother’s organs Breathing becomes easier Other discomforts may continue A total weight gain of 25-35 pounds is typical False labor pains may be experienced

Nine Months Baby Size about 17-18 inches long, weighs about 5-6 pounds Weight gain continues until the week before birth Skin becomes smooth as fat deposits continue Movements decrease as the fetus has less room to move around Acquires antibodies to fight disease from the mother’s blood Moves into pelvis, ready for birth

Developing Fetus Flip Book Cut paper into strips to make the book pages You will need 6 strips (1 ½ pages) Glue the fetus’ onto the right side of each page in order of development. Write what is happening during each stage on the left side 38 Weeks…

1 2 3 4 5 Baby Mother

6 7 8 9

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1

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9

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2

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4

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6

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8

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3

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7

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5

Fetal Development