Stages of PregnancyStages of Pregnancy

Kayla WaggonerKayla Waggoner

What is Pregnancy?What is Pregnancy?

The period from conception to The period from conception to birth when a woman carries a birth when a woman carries a developing fetus in her uterus developing fetus in her uterus

Signs and SymptomsSigns and Symptoms

Implantation BleedingImplantation Bleeding Delay/Difference in MenstruationDelay/Difference in Menstruation Swollen/Tender Breasts Swollen/Tender Breasts Fatigue/TirednessFatigue/Tiredness Nausea/Morning SicknessNausea/Morning Sickness BackachesBackaches HeadachesHeadaches Frequent UrinationFrequent Urination Food CravingsFood Cravings

What is a trimester?What is a trimester?

Method of dividing pregnancy into three equal time periods of about 13 weeks each.

Each three-month period during the nine months of pregnancy.

First TrimesterFirst Trimester

Weeks 0-12Weeks 0-12

First Trimester for MotherFirst Trimester for Mother

First signs of symptoms are shownFirst signs of symptoms are shown Tired and SluggishTired and Sluggish Breast ChangesBreast Changes Mood ChangesMood Changes Frequent UrinationFrequent Urination DizzinessDizziness HeartburnHeartburn

First Trimester - Week 2First Trimester - Week 2

Fertilization takes Fertilization takes placeplace

First Trimester - Week 3First Trimester - Week 3

Blastocyst is looking for place to fertilize in the Blastocyst is looking for place to fertilize in the uterusuterus

Early formation of internal organs beginEarly formation of internal organs begin Heart begins to formHeart begins to form

First Trimester - Weeks 4-5First Trimester - Weeks 4-5

Mother’s menstrual Mother’s menstrual cycle stopscycle stops

Body parts become Body parts become visiblevisible

Embryo begins to Embryo begins to growgrow

Tail-like appearanceTail-like appearance

First Trimester - Week 7First Trimester - Week 7

Major organs have all Major organs have all begun to formbegun to form

Muscle system is Muscle system is formedformed

Facial Features can Facial Features can be seenbe seen

Individual unique Individual unique blood type is createdblood type is created

First Trimester - Week 8First Trimester - Week 8

Embryo is aware of Embryo is aware of surroundingssurroundings

Hands and feet are Hands and feet are seenseen

At the end, the fetal At the end, the fetal stage beginsstage begins

First Trimester - Weeks 9-12First Trimester - Weeks 9-12

Heart is almost Heart is almost completely completely developeddeveloped

Most major organs Most major organs are developedare developed

Body features can be Body features can be seen and are fully seen and are fully formedformed

Second TrimesterSecond Trimester

Weeks 13-28Weeks 13-28

Second Trimester for Second Trimester for MotherMother

Most physically enjoyableMost physically enjoyable Belly starts to showBelly starts to show Back achesBack aches Nose/Gum BleedsNose/Gum Bleeds Urination FrequencyUrination Frequency Trouble SleepingTrouble Sleeping Moving fetusMoving fetus

Second Trimester- Weeks 13-Second Trimester- Weeks 13-1616

Fetus can Fetus can suck,swallow, and suck,swallow, and breathebreathe

Brain is almost fully Brain is almost fully developeddeveloped

Fetus can feel painFetus can feel pain

Second Trimester - Week 18Second Trimester - Week 18

Second Trimester - Week 20Second Trimester - Week 20

Mother can feel Mother can feel movement of fetusmovement of fetus

Toenails and Toenails and fingernails appearfingernails appear

Hair covers entire Hair covers entire body body

Sex organs are Sex organs are visiblevisible

Third TrimesterThird Trimester

Month 28-BirthMonth 28-Birth

Third Trimester for MotherThird Trimester for Mother

May experience cramps May experience cramps in feetin feet

Hands and feet swellHands and feet swell Small contractions beginSmall contractions begin Shortness of breathShortness of breath More frequent urinationMore frequent urination TirednessTiredness

Third Trimester - Week 29Third Trimester - Week 29

Baby’s brain can Baby’s brain can control breathing control breathing and body temp.and body temp.

Eyes can moveEyes can move Increasingly Increasingly

sensitive to changessensitive to changes

Third Trimester - Week 30Third Trimester - Week 30

Bone marrow is now in charge of red blood cell production

Capable of producing tears

Head is getting larger to accommodate rapid brain growth

Hair may appear

Third Trimester - Week 31Third Trimester - Week 31

Lungs are only major Lungs are only major organ left to developorgan left to develop

Bones are growing Bones are growing and hardeningand hardening

May respond to May respond to musicmusic

Third Trimester - Week 32Third Trimester - Week 32

All five senses are All five senses are workingworking

Head hair continues Head hair continues to growto grow

Toenails are Toenails are completely growncompletely grown

Third Trimester - Week 33Third Trimester - Week 33

Skull is not Skull is not completely hardenedcompletely hardened

Neurons and Neurons and synapses are rapidly synapses are rapidly developingdeveloping

Takes deeper Takes deeper breathesbreathes

Third Trimester - Week 34Third Trimester - Week 34

Learns to blinkLearns to blink Antibodies from Antibodies from

mother is transferred mother is transferred to babyto baby

Baby is turned in a Baby is turned in a head down position head down position for birthfor birth

Third Trimester - Week 35Third Trimester - Week 35

Hearing is fully Hearing is fully developeddeveloped

Baby takes up most Baby takes up most of the uterusof the uterus

Third Trimester - Week 36Third Trimester - Week 36

Lung is only organ Lung is only organ still maturingstill maturing

Baby drops into birth Baby drops into birth canalcanal

Skin grows smoothSkin grows smooth Gums are rigidGums are rigid Kidneys are Kidneys are

developeddeveloped

Third Trimester - Week 37Third Trimester - Week 37

Officially full termOfficially full term Grasp is firmGrasp is firm Begins daily Begins daily

activities in wombactivities in womb

Third Trimester - Week 38Third Trimester - Week 38

Hiccups become Hiccups become normalnormal

May have full head May have full head of hairof hair

Third Trimester - Week 39Third Trimester - Week 39

Lungs are maturingLungs are maturing

Room for movement Room for movement decreasesdecreases

Third Trimester - Week 40Third Trimester - Week 40

15% of baby’s body 15% of baby’s body is fatis fat

Chest sticks outChest sticks out Growth continues Growth continues

until birthuntil birth

TwinsTwins

Twins Pregnancy Twins Pregnancy Signs and SymptomsSigns and Symptoms

Larger, faster weight Larger, faster weight gaingain

A large for date A large for date uterusuterus

Severe Morning Severe Morning SicknessSickness

Early Fetal MovementEarly Fetal Movement Caretaker hears two Caretaker hears two

heartbeats at 10-12 heartbeats at 10-12 weeksweeks

Extreme FatigueExtreme Fatigue Water retentionWater retention Exaggerated Exaggerated

pregnancy pregnancy symptomssymptoms

Likelihood of twinsLikelihood of twins

Types of TwinsTypes of Twins

FraternalFraternal Mirror ImageMirror Image ConjoinedConjoined Half IdenticalHalf Identical