The goal of this clinical trial is to learn how hormonal changes over the menstrual cycle affect mood symptoms in reproductive-aged women with depression that worsens during the premenstrual period. The main questions it aims to answer are: --How do fluctuations in estradiol and progesterone across the menstrual cycle affect the ability to experience pleasure and the neural sensitivity to reward in hormone-sensitive, depressed women? And consequently, how does stabilizing the luteal phase decline in estrogen and progesterone (using estradiol patches and progesterone pills) affect these changes? Participants will: * Receive hormones followed by placebo, or vice versa, for a total of four weeks across three menstrual cycles * Complete daily mood ratings * Collect home urine samples for hormone testing * Complete five biobehavioral testing sessions during which neural responses are recorded (via electroencephalography, or EEG) during an acute stress task and computer tasks
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Dimensional Anhedonia Rating Scale (Luteal Phase Stabilized vs Luteal Phase Unstabilized Hormones vs Follicular Phase)
Timeframe: 3 menstrual cycles (each cycle approximately 28 days in duration)
Reward Positivity (Luteal Phase Stabilized vs Luteal Phase Unstabilized Hormones vs Follicular Phase)
Timeframe: Over the course of 2 menstrual cycles (~28 days each), EEG will be collected four times on four separate days: twice during the late luteal phase (11-14 days following ovulation), and twice during the mid follicular phase (23-25 days following ovulation)