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.
Structure Tryptophan is an amino acid of aromatic group of an indole group bonded to a methylene group as the side chain, which is of two aromatic rings of nitrogen and hydrogen group and is hydrophilic. One of the side chains is 5-membered while the other is 6, and 2 carbons are shared by both aromatic rings.