How do you know if a woman is expecting twins?

Which tooth type tears or pierces food? Is the Kidney transplantation fobidden in Islam? Why do your feet get extremely hot and red and tingly after you are on your feet at your job for a couple of hours you are 17 years old? Jason argues that the pituitary gland's only purpose is regulating the activity of the other glands in the body Barbara maintains that the pituitary gland also regulates growth who is correct? What are located inside the lymph vessels to ensure that the flow of lymph is in the correct direction? Is it normal when you first get period to have it twice in one month? What cause alcoholism? Is white blood count of 13.4 mean cancer? What if you have had PMS symptoms for a couple of days then all of the sudden they stop on the morning you are suppose to start your period but there is still no period? What are the problems of thermionic valves? Why would a diabetic have a major problem staying awake if their blood sugar is elevated around 350 or higher and would this cause a diabetic to loose control of being able to stay awake? Chances of being pregnant if you got menstruation after? What is pre-existing hypertension? What is a high fever in a four year old? You have shingles your 5 yr old granddaughter just got a stye are they connected? What do rashes come from? Why does my husband's whole body shake when he's drunk and high? Does the HPV immunization prevent plantar warts? What is five sentence use schizophrenia? What ions tend to exit a neuron based on weaker electrostatic pressure than their force of diffusion?