Stages of Pregnancy Kayla Waggoner

What is Pregnancy? n The period from conception to birth when a woman carries a developing fetus in her uterus

Signs and Symptoms Implantation Bleeding Implantation Bleeding Delay/Difference in Menstruation Delay/Difference in Menstruation Swollen/Tender Breasts Swollen/Tender Breasts Fatigue/Tiredness Fatigue/Tiredness Nausea/Morning Sickness Nausea/Morning Sickness Backaches Backaches Headaches Headaches Frequent Urination Frequent Urination Food Cravings Food Cravings

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 Trimester Weeks 0-12

First Trimester for Mother First signs of symptoms are shown First signs of symptoms are shown Tired and Sluggish Tired and Sluggish Breast Changes Breast Changes Mood Changes Mood Changes Frequent Urination Frequent Urination Dizziness Dizziness Heartburn Heartburn

First Trimester - Week 2 n Fertilization takes place

First Trimester - Week 3 Blastocyst is looking for place to fertilize in the uterus Blastocyst is looking for place to fertilize in the uterus Early formation of internal organs begin Early formation of internal organs begin Heart begins to form Heart begins to form

First Trimester - Weeks 4-5 Mother’s menstrual cycle stops Mother’s menstrual cycle stops Body parts become visible Body parts become visible Embryo begins to grow Embryo begins to grow Tail-like appearance Tail-like appearance

First Trimester - Week 7 Major organs have all begun to form Muscle system is formed Facial Features can be seen Individual unique blood type is created

First Trimester - Week 8 Embryo is aware of surroundings Embryo is aware of surroundings Hands and feet are seen Hands and feet are seen At the end, the fetal stage begins At the end, the fetal stage begins

First Trimester - Weeks 9-12 Heart is almost completely developed Most major organs are developed Body features can be seen and are fully formed

Second Trimester Weeks 13-28

Second Trimester for Mother Most physically enjoyable Most physically enjoyable Belly starts to show Belly starts to show Back aches Back aches Nose/Gum Bleeds Nose/Gum Bleeds Urination Frequency Urination Frequency Trouble Sleeping Trouble Sleeping Moving fetus Moving fetus

Second Trimester- Weeks Fetus can suck,swallow, and breathe Fetus can suck,swallow, and breathe Brain is almost fully developed Brain is almost fully developed Fetus can feel pain Fetus can feel pain

Second Trimester - Week 18

Second Trimester - Week 20 Mother can feel movement of fetus Toenails and fingernails appear Hair covers entire body Sex organs are visible

Third Trimester Month 28-Birth

Third Trimester for Mother May experience cramps in feet Hands and feet swell Small contractions begin Shortness of breath More frequent urination Tiredness

Third Trimester - Week 29 Baby’s brain can control breathing and body temp. Eyes can move Increasingly sensitive to changes

Third 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 31 Lungs are only major organ left to develop Bones are growing and hardening May respond to music

Third Trimester - Week 32 All five senses are working All five senses are working Head hair continues to grow Head hair continues to grow Toenails are completely grown Toenails are completely grown

Third Trimester - Week 33 Skull is not completely hardened Neurons and synapses are rapidly developing Takes deeper breathes

Third Trimester - Week 34 Learns to blink Learns to blink Antibodies from mother is transferred to baby Antibodies from mother is transferred to baby Baby is turned in a head down position for birth Baby is turned in a head down position for birth

Third Trimester - Week 35 Hearing is fully developed Baby takes up most of the uterus

Third Trimester - Week 36 Lung is only organ still maturing Lung is only organ still maturing Baby drops into birth canal Baby drops into birth canal Skin grows smooth Skin grows smooth Gums are rigid Gums are rigid Kidneys are developed Kidneys are developed

Third Trimester - Week 37 Officially full term Grasp is firm Begins daily activities in womb

Third Trimester - Week 38 Hiccups become normal Hiccups become normal May have full head of hair May have full head of hair

Third Trimester - Week 39 Lungs are maturing Room for movement decreases

Third Trimester - Week 40 15% of baby’s body is fat 15% of baby’s body is fat Chest sticks out Chest sticks out Growth continues until birth Growth continues until birth

Twins

Twins Pregnancy Signs and Symptoms Larger, faster weight gain Larger, faster weight gain A large for date uterus A large for date uterus Severe Morning Sickness Severe Morning Sickness Early Fetal Movement Early Fetal Movement Caretaker hears two heartbeats at weeks Caretaker hears two heartbeats at weeks Extreme Fatigue Water retention Exaggerated pregnancy symptoms Likelihood of twins

Types of Twins Fraternal Fraternal Mirror Image Mirror Image Conjoined Conjoined Half Identical Half Identical