Can I apply for cos from H4 to H1b in April 2015 , if my spouse is changing employer in March?

I am currently on H4 visa and planning to apply to H1b in April 2015. My spouse is planning to change the employer & go for premium processing , so that the new I 797 is available before April. However I need to submit the current I 797 of my spouse & related documents now. Will the change of employer of my spouse impact me or should my spouse change the employer after April 1st.

Please advise Asap

Ask the company to apply as a fresh H1 and then for an amendment with your new H4 from your husbands new employer. This should be the approach.