The 1st, 2nd, and 3rd are true.
Implantation is the major sign of pregnancy for various women, it is a stage in which a zygote of fertilized egg limplants into the wall of the uterus.
Implantation usually takes place 6 to 10 days post ovulation, or day 20 to 24 of a menstrual cycle. However, it can take place a few days later or earlier. Once fertilization takes place, the egg remains the fallopian tuve for three days prior of getting inside the uterus and starts to implant itself to the walls of the uterus.
I don't know what you're asking but I'll just list feet, yards, and inches. There are 32.8084 yards in a meter, 98.4252 feet in a meter, and 1181.1 inches in a meter.