Pre-Natal Development Flashcards
What happens in the first month of pregnancy?
Brain and spinal cord development
Heart begins to beat
What happens in the 2nd month of pregnancy?
Bones begin to form
What happens during the 3rd month of pregnancy?
Fingers and toes are almost complete
All organs are present
What happens during the 6th month?
Breathing movements begin
Earliest a baby might be able to live if born, but will need lots of medical support
What happens during the 7-9 months of pregnancy?
Refinement of all types of development in preparation for a baby to live outside of mom
Nervous system & lungs are basically last to develop.
Physical changes for the mother during 1st month of pregnancy?
Missed period with very few other signs of pregnancy
Physical changes for the mother during the 2-3 month?
Fatigue possible, “morning” sickness, swelling breasts,slight weight gain
Entire uterus about the size of an orange.
Physical changes for the mother during the 4-6 month?
Most “comfortable” time of pregnancy, morning sickness is typically gone, fatigue lessens, abdomen grows, begins to ‘look’ pregnant, increased appetite, begin feeling baby’s movements near the end of this time
Physical changes for the mother during the 7-9 month?
Increasing size of abdomen affects posture, may have times of shortness of breath and various muscle aches, baby’s movements can keep mom awake, ‘lightening”( baby moves lower into pelvic area), false labor may occur as body prepares for true labor
Ovum def
Female egg
Sperm
Male “egg”
Uterus
Female organ where baby grows
Conception
The moment when an egg is fertilized by a sperm
Genome def
The complete genetic blueprint for a person
- unique for every individual except for identical twins
- each baby is a combination of both the mothers and fathers genome
Zygote def
Fertilized egg
Embryo def
The baby once it has implanted in the uterus- called an embryo for 6 weeks
Placenta def
Organ that connects the baby to the uterus
Umbilical cord def
Carries nourishment and oxygen from mom to the placenta and baby-also carries waste from baby to mom
Amniotic fluid
Liquid that surrounds and cushions baby