The botanical gardens, lawns and extensive natural bushland of Kings Park in Perth form a peaceful green oasis right in the very centre of the city. At 4.06km 2, it's the world's biggest inner city park. Kings Park occupies Mount Eliza, one of the highest points in Perth's mostly flat landscape. It soars high above the Swan River and the Perth skyline, with panoramic views to the east from the edge of a steep escarpment.
When a fertilized egg does implant, a hormone called human chorionic gonadotropin (hCG) begins to be produced in the uterus. This is the hormone that a pregnancy test measures. It prevents the uterine lining from being shed, so the woman does not have a period.
In order for implantation to take place, ovulation and fertilization must occur first. Implantation happens early in the pregnancy stage after the fertilized egg (zygote) travels down the fallopian tube to the uterus and adheres to the epithelium, or uterine lining. It takes about eight to 10 days for the fertilized egg to travel to the uterus.