My Period is Light’ The Influence of 2 Major Hormones, Periods that are lighter than usual are not normally a cause for concern. People often find that their menstrual flow varies from month to month, and some months are simply lighter than others. In some cases, a light period can be due to stress or weight loss.
Understanding what’s “normal” for a period will help you determine whether your period is, in fact, light. A period comes when the lining of your uterus sheds through your cervix and vagina, generally on a monthly basis.
Your period is generally consistent in number of days and the level of flow. Women typically get their period every 21 to 35 days. Menstrual flow can range between two and seven days. However, your period can change over time and because of different circumstances. For example, if you are pregnant, you will not experience a period because the lining will not detach.
Every woman and period is different, so your period may come like clockwork or be more unpredictable.
Body weight and body fat percentage can affect your period. Being extremely underweight can cause your period to become irregular because your hormones are not working normally. Additionally, losing or gaining an extreme amount of weight can cause irregularities with your period.
If you are pregnant, it is unlikely that you will have a period. You may notice some spotting and think it’s your period, but it may actually be implantation bleeding. This can occur when a fertilized egg attaches to the lining of the uterus. Implantation bleeding usually lasts for two days or less.
If you are breast-feeding, your periods may not come back immediately after you give birth. The milk production hormone prevents ovulation and delays your period from returning. You may get your period months after giving birth if you are breast-feeding.