| In: Before We Are Born: Essentials of Embryology and Birth Defects | Clinical manifestations and diagnosis of early pregnancy |
|---|---|
| Verywellfamily - Can Pregnancy Symptoms Come and Go? Initial prenatal assessment and first-trimester prenatal care | In: Your Pregnancy and Childbirth Month to Month |
| : American College of Obstetricians and Gynecologists; 2015 | BabyCenter - When can I take a pregnancy test? FirstCry - Pregnancy Symptoms After Missed Period — Am I Pregnant? NCBI: National Center for Biotechnology Information, U |
|---|---|
| Overview of the etiology and evaluation of vaginal bleeding in pregnant women |