-
Period: to
First Trimester
1-2 Weeks:
- Development of Baby Changes in Mother:
- Mother is not actually pregnant
- OB/GYN counts pregnancy as 40 wks.
- (Start of last menstrual cycle) -
Period: to
First Trimester
3-4 Weeks:
- Conception occurs
- Zygote turns into blastocyst & travels down fallopian tube
- Rapid Cell Division Changes in Mother:
- Possible missed period
- Cramping
- HCG/Mother can discover pregnancy by the end of 4 wk. -
Period: to
First Trimester
5-6 Weeks:
- Neutral tubes closes
- Heart, organs, & bones start to form
- 1/6 inch Changes in Mother:
- Morning Sickness & Mood Swings
- Bloating/Heartburn
- Tender Breasts/Frequent Urination -
Period: to
First Trimester
7-8 Weeks:
- Small tail
- Hands/Feet
- Baby Moving & Prenatal Care -
Period: to
First Trimester
9-10 Weeks:
- Inch Longer/More Human
- Critical Development (organs ready to grow) -
Period: to
First Trimester
11-13 Weeks:
- Hands Opening - Tiny teeth buds
- Brain Growing/Kidneys = Urine
- Last week of 1st trimester (3 inches long) -
Period: to
Second Trimester
14-16 Weeks:
- Baby sex will become apparent
- Baby can swallow
- 3 1/2 inches in length
- Weighs ~1 1/2 oz Changes in Mother:
- Morning sickness should disappear
- Appetite Increases
- Abdomen grows slowly
- Dark spots on skin (sensitive gums)
- Clumsiness, stuffy nose, leg cramps -
Period: to
Second Trimester
18-19 Weeks:
- Begins to hear
- Digestive system works Changes in Mother:
- Enlarged Abdomen
- Backaches/Stretch Marks
- Heartburn & Swelling (baby moving) -
Period: to
Second Trimester
22-24 Weeks:
- Nails, Fingerprints, eyebrows, lashes, & possibly hair
- More Active
- Heartbeat heard w/stethoscope
- Lowest limit of viability (survive out of mother)
- Weighs 1 pound 7 1/2 inches
- Translucent skin
- Pinkish red; Lung development Changes in Mother:
- Hip, groin, abdomen pain, shortness of breath
- Fast-growing & Nails
- Belly button may poke out -
Period: to
Third Trimester
31-32 Weeks:
- Finished major development
- Lungs capable of breathing air
- 11 inches 3 3/4 lbs. Changes in Mother:
- Breasts may leak
- Growing stretch marks -
Period: to
Third Trimester
34-37 Weeks:
- Responds to light
- Skin is smooth
- Starts to turn head down to prepare for labor
- 1/2 lb until delivery Changes in Mother:
- Braxton-Hicks contractions -
Period: to
Third Trimester
38-40 Weeks:
- Considered full term