Answer:
3rd to 8th week of pregnancy.
Explanation:
The fetus is more prone during the 3rd to 8th week of pregnancy. The earlier the teratogen is exposed to fetus, the severe the effect is likely to be caused.
std's are caused by an infection called trichomoniasis which is caused by parasites which then causes std's
Relax
listen to music
eat healthy
do activities
Answer:
without choices to choose from, I'd say vaccinations....also herd immunity, and early health screenings.
