You can record the length of your cycle, how heavy or light your flow is, and any other symptoms you notice
What this means for you The most common mechanism is telogen effluvium , a temporary shift where hair enters a resting/shedding phase after stress, illness, or in this case rapid weight loss hair loss
protect from light Single-dose devices (used once and discarded) have no "after first use" storage period because they should be discarded immediately after injection: Semaglutide (Wegovy) : Single-dose pen
Some people experience fatigue, insomnia, or changes in sleep patterns, while others notice improved sleep quality over time
AI and AI-assisted tools statement During the preparation of this manuscript, the AI tool ChatGPT (GPT-5, released 2025-08-07) was used to generate Figure 1 and the Graphical Abstract and to improve the readability and language of the manuscript