Unfractionated Heparin in pregancy-a cheaper form f heparin

How helpful is Unfractionated Heparin(U-Heparin) in contrast to pure costly LMWH which s also a kind of heparin? UFH-use of UFH( Heparin-cheap) as anticoagulant in Preg and puerperium

1) In preg period:-UFH (HEPARIN) may be used in antenatal period till term, & there is no harm though LMWH has become more popular.

2) Drawbacks of heparin in comparison to LMWH:-1) More thrombocytopenia, 2) More monitoring 3) more osteoporosis( 2 % but LMWH it is 0.2%) only .4) Idiosyncrasies more than LMWH.

3) Advantages of Heparin are immediate onset and decreases platelets fast.