Alcohol can trigger either a migraine or a cluster headache. There are 3 main triggers in alcohol: Dark alcoholic beverages, such as red wine, sherry, brandy, scotch, bourbon, and beer, contain tyramine. Tyramine is an amino acid that occurs naturally in your body and is also found in many foods.
Sometimes a twin pregnancy just happens. In other cases, specific factors are at play. For example, a twin pregnancy is more likely as you get older because hormonal changes can cause more than one egg to be released at a time. Use of assisted reproductive technologies â such as in vitro fertilization â also boosts the odds of twins or other multiples.
hCG Levels Twins. Human Chorionic Gonadotrophin Hormone (hCG) is unique to pregnancy. It is the hormone which is detected in the blood and/or urine of a woman who is pregnant. Tests for hCG tend to be extremely sensitive and it only requires the smallest concentration of hCG to be present for a positive pregnancy diagnosis to be made.