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Yes you can get pregnant. Your husband's semen analysis
report is almost normal except decreased motility. You need to undergo thorough evaluation including gynecological examination, hormonal investigations, Pelvic ultrasound
. I would suggest you to go for test to see the patency of fallopian tubes ( HSG/SSG) if it is not done before or diagnostic laparoscopy
would be even better. Thyroid and prolactin disorder if any to be corrected. If everything is normal then you can go ahead with ovulation induction
drugs like clomiphene
to induce ovulation, follicular monitoring (by Ultrasound) followed by timed intercourse or IUI. Endometrium thickness can be increased by giving medicines.