There are many causes of bleeding in pregnancy, some are not of vaginal or uterine origin, and are due to lesions in the anus (anal fissures, hemorrhoids) or even the urinary tract (urinary tract infection). Even when bleeding is vaginal, it is important to know that often the blood is of maternal origin and not properly the developing fetus. Thus, some characteristics of bleeding, associated symptoms, physical examination and ultrasonography will guide the doctor to a more accurate diagnosis.
Cyclic vomiting syndrome is a disorder known since the 19th century, characterized by recurrent and intense episodes of vomiting, with no apparent cause being determined. The bouts of vomiting come and go, but during the break, the patient is perfectly healthy and without complaints.
Ectopic pregnancy is a problem that arises when the fertilized egg implants itself wrongly in other structures than the uterus. The most common form of ectopic pregnancy is tubal pregnancy, which occurs within the fallopian tubes.
The ovarian cyst is a benign alteration, which may appear in young and elderly women, and that is not related to cancer in the vast majority of cases. The ovarian cyst is a lesion that when small, usually does not cause symptoms and may disappear spontaneously over time.