266 days.
All pregnancies start with conception and end with delivery. Human pregnancy lasts for 280 days, or 41 weeks.
The human gestation period is approximately 38 weeks from conception. The World Health Organization gives pregnancy as normal when it is from 37 to 42 weeks.
Around 9 months.
Of a human baby..
9 months
Pregnancy tests detect the presence of human chorionic gonadotropin (hCG), a protein that is secreted by the placenta, or newly forming child. These tests can only truly be determined about 6 days after conception.
No. At the time of conception (when sperm joins with egg) a human zygote is a single cell, but at the time of birth a human is a complex multicellular organism.
Answer:The gestation period of a human, from time of conception to birth is approximately 9 months (266 days/38 Weeks). 9.5 months is calculated from the first day of the last menstrual period (280 days/40 Weeks).
It means the animal peroid back then 1000,00 millon years ago or less or more
It is predicted the world average will be between 85-95.
Birth control shots cannot cause falsely positive pregnancy tests. Pregnancy tests measure hCG (human corionic gonatotropin). Birth control shots contain entirely different hormones.
The life of an human begins when the sex cells or gametes unite.Sex cells are the male sperms and the female ova.During copulation the sperms travels to meet the ova in order to fertilise with it.When they fertilise a zygote is formed which is single cell.