J.S.
EDIT AGAIN: Ok. So you're not really appreciative of advice or suggestions about why it's taking longer to get pregnant than you'd like because it wasn't in the exact scope of the question you asked.
What you're feeling in your hips could be the very beginning of your skeleton loosening up a little and stretching ligaments but you would be way too early on in a pregnancy really to feel all of that. It's early for that to happen. The fact is that you can have secondary infertility with no reason visible. Maybe you only have one ovary working. Maybe one side works every other month. Maybe there's an issue with very, very early fertilization that occurs but never shows up as a positive on a test. You just don't know.
I felt it every time in my hips because what I didn't know what I have Fibromyalgia, and I have arthritis in my hips. It got worse with each pregnancy. I felt it by the end of the first trimester but not sooner even with my chronic pain issues.
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EDIT: Based on your past TTC threads I can see that you take Effexor. Effexor is one of those meds that shouldn't be taken during pregnancy. Therefore, I sure as hell wouldn't be taking it while trying to get pregnant either especially since you're over 30. Claims of the drug are that it won't affect your ability to get pregnant, but they don't really know what it will do to your ability to stay pregnant and it's been known to cause damage in developing babies. That's a big red flag to me.
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Your body reacts to stress and anxiety in a way that we don't realize. Maybe part of the issue is that you're TRYING too hard.
My suggestion is to track your fertility. Natural Family Planning can help you with charting your cycle and learning how to tell exactly where you are in your cycle, when you ovulate and not rely so much on the calendar but on your body's signs thus better predict when you can get pregnant.
The old wives tales about having your husband wear more loose pants can actually help. His diet should be very nutritionally sound in addition to yours. It's not just about YOU being healthy but him as well.