My husband, age 47, has been ejaculating signficantly less semen than usual.  Over the past couple of months, since I first noticed this, weve had sex 4 -5 times.  Every time has been the same - he ejaculates hardly anything.  Sometimes I cant even tell if he has ejaculated.  When I question him about it, he says it was pleasurable and avoids talking about the specifics.  One time, he lost his erection and did not ejaculate at all.  I know he is not cheating on me.  Hes 47 years old and I think hes in good health (not on any medication).  Should I be concerned?  And how should I address this with him?  When I attempt to address it by asking if sex felt good, etc., he says yes and skirts the issue.
HI, I can understand your concern for your symptoms, It can be due to hormonal imbalance and stress induced. It can also be due to nutrient deficiency and deny Chat Doctor.  You can take sufficient water and antioxidants can improve your sperm volume. Hope I have answered your query. If you have further doubts, I would be happy to help you. Happy day