Timeline by Gavin Miller

1. Ovulation

gamiller9 — 2025-05-08 15:49:10 UTC

Egg is released from an ovary through fallopian tubes

2. fertilization

gamiller9 — 2025-05-08 15:50:02 UTC

Sperm cell unites with egg cell to form a zygote

3. zygote

gamiller9 — 2025-05-08 15:52:02 UTC

First stage of development after fertilization, the unification of sperm and egg cells

4. Blastocyst

gamiller9 — 2025-05-08 15:53:44 UTC

Hollow mass of cells formed 5-6 days after fertilization

5. Implantation

gamiller9 — 2025-05-08 15:54:02 UTC

attachment of the blastocyst to uterine walls, after this is when a HCG test is possible

7. Embryo

gamiller9 — 2025-05-08 15:55:59 UTC

classification for the unborn offspring until the 8th week of pregnancy

6. positive HCG test possible

gamiller9 — 2025-05-08 15:57:49 UTC

testing for human chorionic gonadotropin (hormone produced during pregnancy) can come positive after implantation

8. Umbilical cord

gamiller9 — 2025-05-08 16:03:18 UTC

Structure that transports nutrients and oxygen to baby until birth

9. placenta

gamiller9 — 2025-05-08 16:05:07 UTC

organ developed during pregnancy that facilitates the exchange of nutrients and oxygen through the umbilical cord

10. Amniotic sac

gamiller9 — 2025-05-08 16:06:27 UTC

fluid filled sac that contains and protects fetus in the womb

11. fetus

gamiller9 — 2025-05-08 16:07:12 UTC

classification of unborn offspring from the 8th week until birth

12. 2nd trimester

gamiller9 — 2025-05-08 16:07:29 UTC

weeks 14-27 of pregnancy

13. 3rd trimester

gamiller9 — 2025-05-08 16:08:30 UTC

weeks 28-40 of a pregnancy

14. Braxton Hicks

gamiller9 — 2025-05-08 16:11:14 UTC

contractions and relaxations of uterine muscle

15. labor

gamiller9 — 2025-05-08 16:12:46 UTC

process of childbirth, child is delivered from the inside to the outside of the uterus

16. Delivery

gamiller9 — 2025-05-08 16:13:50 UTC

process of baby being expelled from mother's uterus

17. Afterbirth

gamiller9 — 2025-05-08 16:16:06 UTC

placenta and fetal membranes expelled from mother's uterus after baby is born