Myalgia refers to muscle pain. The pain may be localized, as in a muscle strain or crush injury, or generalized pain caused by an underlying disease such as a viral infection. The most common type of localized muscle pain is caused by muscle overuse or injury from strenuous activity. Myositis refers to muscle inflammation.
Nausea or morning sickness is a classic pregnancy sign that you can notice in the early stages. It will afflict in the initial weeks of missed period even before your pregnancy is confirmed. You will feel dizzy, weak, and may want to throw up at times.
A missed period can be a symptom of pregnancy caused by something else. Nausea or morning sickness: Nausea or morning sickness is the second most commonly reported first sign of pregnancy. Experienced to some degree by most expecting women, nausea typically shows up between 2 to 8 weeks after conception.