A–Z Glossary

Placenta

The placenta is a pregnancy organ that develops in the uterus and produces hormones while supporting circulation between the pregnant person and fetus.

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Postpartum diabetes risk

Postpartum diabetes risk

Why diabetes risk changes after pregnancy Gestational diabetes mellitus, often called GDM, is glucose intolerance first recognized during pregnancy. In many cases, blood glucose improves soon after delivery because the placenta, a major driver of pregnancy-related insulin resistance, is no longer present. This improvement can be reassuring, but it does not mean the metabolic story […]

Does crying affect the baby myth

Does crying affect the baby myth

What the crying myth actually means When people ask whether crying affects the baby, they are usually asking a very specific question: if I get upset and cry, could that emotional moment hurt my pregnancy? The fear is understandable. Pregnancy often heightens attention to every physical and emotional change, and it is easy to imagine […]

Can fear harm the baby myth

Can fear harm the baby myth

Why the myth feels believable The myth persists because pregnancy makes every emotion feel high-stakes. When you care deeply about the baby, it is natural to scan for cause-and-effect: I got scared, then something must have happened inside me. That mental leap is powerful, but it is not always biologically accurate. In everyday language, people […]

Hormonal changes across trimesters

Hormonal changes across trimesters

Why hormone patterns change so much in pregnancy Pregnancy begins with a rapid handoff between the ovary and the placenta. In the earliest weeks, human chorionic gonadotropin, or hCG, signals the corpus luteum to keep producing progesterone, which helps maintain the uterine lining and supports early gestation. As the placenta develops, it becomes the major […]

Full labor timeline breakdown step by step

Full labor timeline breakdown step by step

1. Start with the big picture of labor progression A practical way to understand the typical labor timeline is to think of it as a coordinated sequence rather than a single event. Uterine contractions become more organized, the cervix softens and shortens, and the baby gradually descends through the pelvis. In clinical terms, the first […]

What happens during home labor

What happens during home labor

The home labor setting and the care team During planned home labor, the midwife or birth team brings clinical equipment and establishes a workspace that allows assessment, movement and privacy. The team may ask about contraction patterns, pain, fluid loss, bleeding, fetal movement and other changes since the last contact. They typically review the pregnant […]

How placenta is delivered naturally

How placenta is delivered naturally

What natural placental delivery means Natural placental delivery is the placenta leaving the uterus without a drug injection and without routine procedural assistance. In clinical language, this approach is often grouped under expectant management or physiological management of placenta delivery. The focus is on allowing the uterus to do the work it is designed to […]

Decreased or no baby movement before labor

Decreased or no baby movement before labor

What movement should feel like near term Fetal movements include kicks, rolls, swishes, stretches, and turns. As pregnancy advances, the character of movement can change: sharp kicks may become more of a rolling, stretching, or pressing sensation as the fetus occupies more of the uterus. This change in sensation can be normal, but the fetus […]

What affects baby development

What affects baby development

Prenatal biology and fetal growth Development is affected by conditions that exist before a baby is born. Genetic factors contribute to physical characteristics, metabolism, neurological maturation, and susceptibility to some medical conditions, but genes do not operate in isolation. Fetal growth reflects interactions among maternal size, nutrient availability, endocrine signals, growth factors, and placental function. […]

How pregnancy changes month by month

How pregnancy changes month by month

Understanding pregnancy timing: weeks, trimesters, and months Pregnancy is usually dated from the first day of the last menstrual period, even though conception typically occurs about two weeks later in a 28-day cycle. A full-term pregnancy is commonly described as about 40 weeks. Clinicians often use trimesters because they align with major developmental and medical […]

Month 5 of pregnancy: baby movement and anatomy scan milestone

Month 5 of pregnancy: baby movement and anatomy scan milestone

Why month 5 can feel like a major milestone The fifth month is usually within the second trimester, a stage many people experience as a period of transition. The uterus is rising higher in the abdomen, the pregnant belly may be more visible, and fetal growth is accelerating. The baby is not simply getting larger; […]

Month 3 of pregnancy: end of first trimester and key milestones

Month 3 of pregnancy: end of first trimester and key milestones

Where month 3 fits in pregnancy dating Pregnancy dating can be confusing because it is measured from the first day of the last menstrual period, not from the date of conception. This means that by the time a pregnancy test is positive, a person is often already considered about 4 weeks pregnant. According to standard […]

Month 4 of pregnancy: second trimester begins and energy changes

Month 4 of pregnancy: second trimester begins and energy changes

Where month 4 sits in pregnancy dating Pregnancy is usually dated from the first day of the last menstrual period, not from conception. Using this convention, the American College of Obstetricians and Gynecologists defines the second trimester as beginning at 14 weeks and ending at 27 weeks and 6 days. Month 4 generally overlaps with […]

Nutrition needs by trimester

Nutrition needs by trimester

Why nutrition needs change across pregnancy Pregnancy is not simply a state of needing “more food.” It is a carefully sequenced physiologic adaptation. In early pregnancy, implantation, placentation, and organogenesis are central. Later, fetal weight gain, maternal plasma volume expansion, breast tissue growth, and nutrient transfer increase substantially. The result is a trimester-dependent pattern: micronutrient […]

First second and third trimester overview and how pregnancy changes across trimesters

First second and third trimester overview and how pregnancy changes across trimesters

How pregnancy is divided into trimesters A full-term pregnancy is often described as lasting about 40 weeks, counted from the first day of the last menstrual period. This dating convention means that the first two weeks of a counted pregnancy usually occur before ovulation and fertilization. Trimester dating can vary slightly by clinic or source, […]

Pregnancy month-by-month overview

Pregnancy month-by-month overview

How pregnancy months are counted Pregnancy is medically dated in weeks, not calendar months, because fetal development changes quickly and because months vary in length. A 40-week pregnancy is divided into the first trimester through week 12, the second trimester from weeks 13 to 27, and the third trimester from week 28 until birth. Month-by-month […]

Month 6 of pregnancy: fetal growth and second trimester changes

Month 6 of pregnancy: fetal growth and second trimester changes

Where month 6 fits in pregnancy dating Pregnancy is usually dated from the first day of the last menstrual period, so the embryo or fetus is biologically about two weeks younger than the gestational age used in clinical care. Month 6 generally corresponds to the late second trimester, often around weeks 23 through 27. Exact […]

Month 2 of pregnancy: body changes, baby growth, and early symptoms

Month 2 of pregnancy: body changes, baby growth, and early symptoms

Where month 2 fits in pregnancy dating Pregnancy is typically dated from the first day of the last menstrual period, not from conception. That means by the time a home pregnancy test is positive, many people are already around 4 to 5 weeks pregnant. Month 2 generally covers weeks 5, 6, 7, and 8, though […]