You may pass bigger clots, fluid, and other tissue. The symptoms of a period may come on gradually before bleeding begins. They include bloating, appetite and mood changes, and breast tenderness.

But even though you’re intimately familiar with your period, you may not know the language used to describe its process, products, and problems. This glossary of menstrual terms will help.

The 44th edition of Reference Data Series No. 1 (RDS-1) contains estimates of energy, electricity, and nuclear power trends up to the year 2050. The publication is organized into world and regional ...