Hormonology uses hundreds of scientific studies to show you how your hormones impact you in virtually every way every day of your monthly cycle. The Hormone Horoscope is a nifty little way of dispensing this information daily. To get started, find the week you’re on in your monthly cycle (you can use this easy guide if you’re not sure), then read your Hormone Horoscope for today!

My HormonologyWhich week are you on in your monthly cycle? Find out what it reveals about what your day has in store:

Week 1
Day 1 (first day of period) to Day 7
Estrogen rises
Today’s Hormone Horoscope: The first half of your Week 1 may get off to a slow start as a low level of estrogen coupled with iron loss from menstruation threatens to drag down your energy and mood. If you can, eat iron-rich foods or take an iron supplement to get your pep and positivity back up. By the second half of your Week 1, you should be noticing you have a brighter outlook, you’re feeling more optimistic and you’re smiling more frequently, for instance, at a joke, from seeing a beautiful flower or for no reason at all. If you’re not experiencing this surge in mood, then redouble your efforts at getting more iron into your system, because a low store of this key mineral is the likely culprit.

Week 2
Day 8 to Day 14 or ovulation (here’s how to tell when you’re ovulating)
Estrogen and testosterone rise till they peak
Today’s Hormone Horoscope: You may get this antsy feeling that makes you think everything you eat, do, play, see, hear or date is boring boring boring. Blame your rising estrogen for your terminal case of ennui. The higher this hormone climbs, the more it pushes you to abandon the old and try something new.

Week 3
Day 15 (or the day after ovulation) to Day 22
Progesterone rises; estrogen and testosterone drop for half the week, then estrogen rises again
Today’s Hormone Horoscope: Your confidence about your body may take a dive today. The problem is that a lower level of estrogen is taking away the soaring self-esteem you enjoyed in your Week 2. On top of that, rising progesterone is prompting water retention and constipation that can make you feel like you gained five pounds overnight. To avoid a negative spiral of self-doubt, whenever you get self-conscious about your appearance, remind yourself of all your amazing skills, talents and traits. Study after study shows this kind of simple self-affirmation can bring you back to a positive place and make you feel great about yourself again.

Week 4
Day 23 to the end of cycle
Estrogen and progesterone plunge
Today’s Hormone Horoscope: Here’s one great thing to love about your premenstrual Week 4: The frustration and impatience triggered by plunging estrogen can be an excellent motivator to get things done. For example, if you have something that’s been broken for awhile and needs fixing, you may avoid it or work around it during other weeks of your cycle. But, by your Week 4, you may get so sick of hearing the toilet running or not being able to open the jammed window to let in some fresh air that you finally call in a repairperson. Or if a friend still hasn’t paid you back the money you lent her months ago, in other weeks of your cycle you may feel optimistic that she’ll get around to it at some point. But, not so in your Week 4! Now is when plunging estrogen has you convinced you’ll never return it unless you demand it. And so you do–and end up finally getting paid. So, the next time you get fed up with a problem during your premenstrual week, thank your hormones. Otherwise, it might not ever get resolved.

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