started methodology

thesis/sections/background.tex

@@ -40,6 +40,8 @@ However, variations, particularly in the follicular phase length, are common and
 Figure~\ref{fig:background_menstrual_cycle_physiology} provides a detailed overview of the hormonal and physiological changes
 throughout the menstrual cycle.
 
+%TODO: implement a graph of a "normal" cycle with labeled phases for a better understanding of its structure
+
 \begin{figure}[htbp]
     \centering
     \includegraphics[width=0.6\textwidth]{background_menstrual_cycle_physiology}
@@ -153,6 +155,7 @@ an intravaginal wearable sensor developed by VivoSensMedical GmbH, located in Le
 The device continuously records intravaginal core body temperature at 5-minute intervals.
 The sensor itself measures approximately 1\,cm $\times$ 1\,cm $\times$ 2\,cm and is embedded in a silicone ring with a diameter of 5\,cm for ease of use.
 It pairs with a smartphone via Bluetooth to synchronize and upload recorded data to a secure database.
+Figure~\ref{fig:background_ovularing} shows an image of the ring attached to its silicone ring.
 
 The product has been on the market for over a decade, resulting in an extensive longitudinal dataset of menstrual cycles.
 Cycle boundaries are defined by self-reported menstruation, which users manually log in the accompanying app to mark the beginning of each cycle.