Jessica and Mike are new clients at your obstetrics office. You are asking them about the reason for their visit. Jessica says she thinks she is pregnant because she missed a period. Mike tells you Jessica is always nauseated in the morning and eats all the time the rest of the day. They have not been using birth control and have wanted to have children since they got married last summer. Jessica says her clothes are feeling tighter and her breasts seem tender. Mike says he has noticed that Jessica has been frequently getting up to go to the bathroom at night. (Learning Objectives 2 and 4) What subjective symptoms have led Jessica and Mike to presume she is pregnant? What other conditions could be the cause of Jessica's symptoms? How can a pregnancy be confirmed as probable? Diagnosed as positive? Discuss the nutritional needs of Jessica and her baby.