Multiple Pregnancy

Question 1

Zygosity

Answer 1

Determining whether the multiple in the pregnancy are dizygotic ( non identical) or monozygotic (identical)

Question 2

Chorionicity

Answer 2

Number of chorion membranes present that surround the multiple pregnancy

Question 3

Aminionicity

Answer 3

Number of amniotic membranes present that surround the multiple

Question 4

DCDA

Answer 4

Two chorions and two amnions

Question 5

MCDA

Answer 5

One chorion and two amnions

Question 6

MCMA

Answer 6

One chorion and one amnion

Question 7

Factors that increase chance of multip pregnancy -monozygotic

Answer 7

No know factors that consistently increase the chances of having a monozygotic pregnancy

Question 8

Dizygotic

Answer 8

Genetics releasing more than one egg during ovulation can be genetic and passed on through the mothers side of family
Age being over the age of 35increases likelihood of releasing more than one egg during ovulation
Ethnicity highest occurrence on Nigerian women , lowest occurrence in Japanese women
IVFmore than one embryo may be implanted during the procedure of IVF sometimes resulting in a multiple pregnancy
Potential link to bmi, with highest occurrence in those with a a bmi of over 40 however this can be explained by the increased use of ART