
Fetal development: The first trimester - Mayo Clinic
2025年3月18日 · The fifth week of pregnancy, or the third week after conception, the level of the pregnancy hormone human chorionic gonadotropin, also called HCG, quickly rises. That tells …
How to get pregnant - Mayo Clinic
2024年10月30日 · Looking for tips on how to get pregnant? Here's help knowing how to make the most of your fertility and when to talk to a healthcare professional.
Ovulation signs: When is conception most likely? - Mayo Clinic
2024年7月9日 · Having sex regularly from 3 to 4 days before ovulation until one day after ovulation improves the odds of getting pregnant. Pregnancy is most likely to happen in the …
Symptoms of pregnancy: What happens first - Mayo Clinic
2024年3月13日 · Are you pregnant? Tender breasts, nausea and fatigue are just a few early symptoms of pregnancy. Find out about these and less obvious pregnancy signs.
Female fertility: Why lifestyle choices count - Mayo Clinic
2024年1月9日 · Female fertility is being able to get pregnant. Have you and your partner been trying to get pregnant by having sex without birth control for at least one year with no success? …
Fetal development: The third trimester - Mayo Clinic
2025年3月18日 · Thirty-three weeks into pregnancy, or 31 weeks after conception, your baby's pupils can change size in response to light. Bones are hardening, but the skull still is flexible …
Female infertility - Diagnosis & treatment - Mayo Clinic
2021年8月27日 · Learn about infertility in women, including possible causes, what tests might be needed and fertility treatments available to help with getting pregnant.
Pregnancy due date calculator - Mayo Clinic
2024年2月15日 · Are you expecting? Use this pregnancy due date calculator to find out when your baby is due. Your healthcare professional can confirm how far along you are in your …
1st trimester pregnancy: What to expect - Mayo Clinic
2024年2月27日 · During the first few months of pregnancy, amazing changes happen quickly. This part of pregnancy is called the first trimester. Knowing what physical and emotional …
Implantation bleeding: Common in early pregnancy? - Mayo Clinic
2022年4月19日 · Implantation bleeding is defined as a small amount of light spotting or bleeding. It typically occurs about 10 to 14 days after conception. Implantation bleeding is common, and …