CD 3.3 Understanding Fetal Development Stages

What is the term for the fertilized egg during the first 1-2 days after conception?

• Embryo

• Zygote

• Fetus

• Blastocyst

During which trimester does the baby develop a heartbeat?

• First trimester

• Second trimester

• Third trimester

• At birth

What structure forms as the zygote multiplies before implantation?

• Placenta

• Blastocyst

• Amniotic sac

• Umbilical cord

Which of the following is a feature that appears during the second trimester?

• Nostrils and lips form

• Baby develops a heartbeat

• Hair, eyelashes, and eyebrows appear

• External genitalia are well formed

What is the main reason fetal movement decreases in the third trimester?

• The fetus is sleeping more

• There is less room to move around

• The fetus is less active

• The mother is more active

Which of the following occurs during the third trimester?

• Kicking begins

• Baby develops a heartbeat

• Fetus acquires antibodies from the mother

• Nostrils and eyelids form

At what stage does the blastocyst implant in the uterus?

• Zygote/Germinal stage

• First trimester

• Second trimester

• Third trimester

Which of the following is NOT a development that occurs in the first trimester?

• All organs are present, though immature

• Baby develops a heartbeat

• Fetus can suck its thumb

• External genitalia are well formed

What is one of the first facial features to form during the first trimester?

• Eyelashes

• Teeth buds

• Hair

• Eyebrows

Which trimester is characterized by rapid weight gain until one week before birth?

• First trimester

• Second trimester

• Third trimester

• Zygote/Germinal stage