A Study to Gather Information About the Progress and Outcomes of Pregnancy in Women Using Various Vitamin Support Plans Before and During Pregnancy

Normally completed pregnancy is defined as pregnancies completed in term 37-42 weeks inclusive, with no major pregnancy maternal and fetus complications such as severe maternal anemia, preeclampsia, congenital anomalies, fetal growth retardation or other pregnancy complication concerned by the study investigator.

Preeclampsia is defined (arterial hypertension blood pressure [BP]>= 140/90 mmHg) in combination with proteinuria (≥0.3 g/l in daily urine) after the 20th week of pregnancy); OR in absence of proteinuria with new onset of the following: Signs of multiple organ failure; Thrombocytopenia: platelet count less than 100,000 x 10^9 /L; Serum creatinine > 1.1 mg/dL or doubling of the serum creatinine; Elevated liver transaminases to twice normal; Pulmonary edema; New onset headache unresponsive to medication; Visual symptoms.

Small for gestational age is defined as a newborn with weigh less than 10th percentile of normal weigh for gestational age.

Low birth weight is a term used to describe babies who are born weighing less than 5 pounds, 8 ounces (2,500 grams). Babies weighing less than 3 pounds, 5 ounces (1,500 grams) at birth are considered as very low birth weight.

QoL-Grav questionnaire is designed for assessing the quality of life during pregravidal preparation and during pregnancy. The overall score normally varies from 15 to 35, the lower the score, the higher the quality of life.

Preterm birth is defined as a childbirth that occurred at a period of 22 to 37 complete weeks and with a fetal weight of more than 500g.

Extremely preterm birth: 28 complete weeks; Early preterm birth: 28 to 32 weeks; Moderate to late preterm: 32 to 37 weeks.

Fetal growth restriction (FGR) is a condition in which an unborn baby (fetus) is smaller than expected for the number of weeks of pregnancy (gestational age). It is described as an estimated weight less than the 10th percentile. FGR will be assessed by ultrasonography specialist during usual ultrasound examination in 3rd trimester.

Post-term pregnancy is defined as pregnancy that has extended to or beyond 42 weeks of gestation (294 days).

Congenital malformations will be defined as any anomalies in the development of the fetus, classified as malformations and coded in ICD-10 as "Congenital anomalies [malformations], deformities and chromosomal disorders (Q00-Q99)".

Large fetus defined as birth weight > 4000 g, provided that it is not caused by various congenital neoplasms and other fetal diseases (erythroblastosis, teratoma, hydrocephalus, etc.).

Vomiting occur in every third pregnancy, in 90% cases it is normal course of pregnancy and happens no more than 2-3 times a day, more often on an empty stomach, and does not violate the general condition of pregnant woman.

In age groups up to 35 years and 35 years and older, with the presence of concomitant gynecological pathology (menstrual irregularities, inflammatory processes in the pelvic area, anomalies in development of genital organs, history of uterine surgery, endometriosis, obesity, hyper- and hypothyroidism, autoimmune diseases)

Spontaneous miscarriage is the loss of pregnancy naturally before twenty weeks of gestation.

WHO stands for world health organization.