When did I conceive with positive pregnancy test?

It is vital to ask for advice from a gynecologist or a specialist in menstrual illness if you have any issues pertaining to your menstrual cycle.

menstrual cycles do vary slightly from month to month & changes in the timing or length of periods is due to stress, hormonal imbalances, or other health conditions. There is nothing to worry about, but if you experience persistent changes in your menstrual cycle consistently early or irregular periods it's better to talk to a gynec.

During pregnancy, sexual activity is generally safe unless you have any complications. In most uncomplicated pregnancies sex can be enjoyed throughout the entire pregnancy. Only if you have a history of preterm labor, placenta previa, cervical incompetence, or if you are experiencing bleeding or have a low lying placenta, then your doctor would limit or advise against..

Since you had a delay in your monthly period, it may be a sign of pregnancy, but there are other possible reasons particularly stress and changes in hormones. To know that you are safe you could do the test only after the 14th of May and learn if you are expecting. Your cycle is subject to the effect of countless factors in various states of your body.