英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

Periods    音标拼音: [p'ɪriədz]
周期

周期

periods
周期 期间


请选择你想看的字典辞典:
单词字典翻译
periods查看 periods 在百度字典中的解释百度英翻中〔查看〕
periods查看 periods 在Google字典中的解释Google英翻中〔查看〕
periods查看 periods 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Menstruation - Wikipedia
    Menstruation is the most visible phase of the menstrual cycle and its beginning is used as the marker between cycles The first day of menstrual bleeding is the date used for the last menstrual period (LMP)
  • Menstrual cycle: Whats normal, whats not - Mayo Clinic
    Your periods are less than 21 days or more than 35 days apart You bleed between periods You develop severe pain during your period You suddenly get a fever and feel sick after using tampons Remember, keeping track of your period can help you find out what's typical for you and what isn't
  • All About Periods (for Teens) | Nemours KidsHealth
    There is a lot to learn about periods Here are answers to some common questions When Do Periods Usually Start? Most girls get their first period when they're around 12 But sometimes it comes a few years earlier or later Every girl's body has its own schedule There isn't one right age for a girl to get her period
  • Menstruation: 13 Period Facts You Need To Know - Health
    Menstruation, also known as a period, occurs when your uterus sheds its lining, causing blood and mucus to discharge from the vagina 1 This usually occurs once a month if you are not pregnant
  • Normal Periods vs. Irregular Periods - HealthyWomen
    Your period can say a lot about your uterine health From irregular periods to bad cramps, here’s how to tell what’s normal — and what might need a provider’s attention
  • What is Menstruation? | Get Facts About Having Your Period
    Your period comes back when you’re not pregnant anymore When in life do periods start and stop? At some point during puberty, blood comes out of your vagina, and that's your first period Most people get their first period between ages 12 and 14, but some people get them earlier or later than that
  • Menstrual Cycle (Normal Menstruation): Overview Phases
    Most people have their period (bleed) for between three and seven days Is a three-day period normal? A period is normal if it’s anywhere between three and seven days While on the shorter end of the range, some people have a menstrual period for three days
  • 22 period facts you might not have heard in health class - Flo
    On average, our periods start when we’re around 13 years old and end when we’re around 51 years old, with a period every 28 days, lasting from two to seven days This adds up to approximately 38 years of monthly menstruation or about 456 periods over the course of our lifetime
  • Menstruation (Menstrual Cycle): Phases, What’s Normal
    Menstruation occurs when the lining of the uterus sheds by breaking down and leaving the body as blood Most periods last around three to seven days What Is Menstruation? Menstruation is a natural part of life Throughout the month, your uterus builds up its lining to support a possible pregnancy
  • Periods - NHS
    Find out about periods, including when they usually start and finish, period products, PMS, getting pregnant, and changes to your periods





中文字典-英文字典  2005-2009