The BabyCenter Editorial Team. No. You can't have your menstrual period while you're pregnant. Some women do have vaginal bleeding during pregnancy. Some even report intermittent bleeding that seems like a regular period to them. But vaginal bleeding during pregnancy is not the same thing as menstruation.
Behance. Behance is a platform to showcase and discover photography, graphic design, illustration, and fashion. It is a product of New York-based company Behance, Inc., which has also created other services meant to organize creative people and support creative careers.
Description. Tryptophan is an essential amino acid. This means that it must be obtained through the diet in adequate quantities to meet the body's needs. Tryptophan is a precursor in the central nervous system of the neurotransmitter serotonin.Serotonin modulates mood and sleep patterns. high-tryptophan diet will partially overcome a deficiency in dietary niacin. Tryptophan is also the precursor of a variety of other metabolites, including serotonin, a neurotransmitter, and melatonin, a hormone secreted by the pineal gland which seems to be related to sleep.