Where Babies Really Come From
From a single cell to a newborn, the story of how a baby is made is one of biology's greatest journeys.
- Lub cev
- Neeg loj
- Nruab nrab
- Qhia kev paub
- 10 lo lus nug
- kwv yees li 5 feeb
- Feedback tom qab txhua lo lus nug
Kos rau “Kuv tsis yog neeg hlau” ua ntej.
Sib tw
Rau menyuam yaus thiab cov neeg nyiam lom zem
Saib cov lus nug
Tsis qhia cov lus teb raug, kom thaum koj ua si lawv tseem yog ib qho xav tsis txog.
Lo lus nug 1
Where does fertilisation of an egg by a sperm usually happen?
- In the uterus
- In the fallopian tube
- In the ovary
- In the cervix
Lo lus nug 2
How long can an egg typically be fertilised after ovulation?
- About 5 days
- About 72 hours
- About 12 to 24 hours
- About 2 weeks
Lo lus nug 3
What decides whether a baby is genetically male or female?
- The mother's egg
- The timing of ovulation
- The mother's hormones
- The father's sperm
Lo lus nug 4
What is the ball of cells called that implants in the uterus wall?
- Blastocyst
- Zygote
- Foetus
- Placenta
Lo lus nug 5
Which hormone do home pregnancy tests detect?
- Progesterone
- Oestrogen
- hCG
- Oxytocin
Lo lus nug 6
Which organ develops during pregnancy to pass oxygen and food to the baby?
- The amnion
- The placenta
- The yolk sac
- The corpus luteum
Lo lus nug 7
How long does a full-term pregnancy last, counted from the last period?
- About 36 weeks
- About 42 weeks
- About 38 weeks
- About 40 weeks
Lo lus nug 8
From which week is the developing baby usually called a foetus?
- Week 4
- Week 9
- Week 16
- Week 20
Lo lus nug 9
Identical twins come from what?
- Two eggs and two sperm
- Two eggs and one sperm
- One egg that split
- One egg and two sperm
Lo lus nug 10
In IVF, where does fertilisation take place?
- In the uterus
- In a fallopian tube
- In an incubator inside the body
- In a laboratory dish






