organs
fallopian tube
where fertilization happens
1st trimester
organs of the fetus start developing, the mother experience daily nausea
smoking
allowing nicotine to enter the placenta
uterus
where embryo develops into fetus
2nd trimester
Fetus grow rapidly
diffusion
how nutrients enter the fetus blood from their mother's
placenta
where fetus gain nutrition form the mother
3rd trimester
organs are matured, allow free movements from the fetus
viruses
enter the fetus' blood through the umbilical cord
umbilical cord
connects the fetus blood to and from the placenta
40-46 weeks
a gestation period in human pregnancy
viral disease
can cause miscarriage to the fetus
amniotic sac
Protects the fetus from bumps to the mother's abdomen
13 weeks
all organs in the fetus are developed
sectio caesarea
a human-made attempt to take out the fetus from the uterus by cutting the abdominal layer from the mother