You've used the word 'should', so I'd say you should know who the father is so that you can try and get him to support his new family. If you meant 'would' then you would know if you got the likely lads to take DNA tests. I don't know where you live but in the UK these kits are about to become available over the counter at Boots, I believe.
Progesterone is the hormone usually recognized as that which maintains pregnancy.
You would know if you're pregnant by taking a pregnancy test. A pregnancy test can be taken from two weeks after intercourse and doesn't require you to know when your period should have started.
yes
no
Yes , because teenagers should no better ... & they should know right from wrong .
Yes it is.
placental estrogen and progesterone
If you have animals for whose care you are responsible, you should know what their nutritional needs are.
HcG is tested for pregnancy.HcG stands for Human Chorionic Gonadotrophin.
The hormone progesterone in the corpus luteum will prepare the uterus for pregnancy.
If you need to have a reliable and responsible attitude then you should be mature, always be on time, never let anyone down, make sure you know that your responsible for anything you do.
Food doesn't make anyone pregnant! Pregnancy is achieved through sex or artificial insemination!! If you want to know what a cockatiel should eat during her pregnancy you should ask a veterinarian.